{"title":"Additives","description":"","products":[{"product_id":"hydros-sodium-dithionite-indigo-woad-vat-reducer","title":"HYDROS (Sodium Dithionite) – Indigo \u0026 Woad Vat Reducer","description":"\u003cp data-start=\"118\" data-end=\"256\" class=\"\"\u003e\u003cstrong\u003eHYDROS – REDUCING AGENT FOR INDIGO \/ WOAD VATS\u003c\/strong\u003e\u003cbr data-start=\"164\" data-end=\"167\"\u003eChemical name: Sodium Dithionite (Thiox) | Grade: Textile | Use rate: ≤ 25 g per 10 L vat\u003c\/p\u003e\n\u003cp data-start=\"258\" data-end=\"529\" class=\"\"\u003eHydros—also known as sodium dithionite, thiox, or hydrosulfite sodium—is the fast, reliable oxygen remover used to bring indigo or woad vats into reduction. A quick sprinkle over the surface turns the liquor a yellow-green and readies it for dipping within about an hour. However, for best performance leave the vat for 2 days before dyeing.\u003c\/p\u003e\n\u003cp data-start=\"531\" data-end=\"839\" class=\"\"\u003e\u003cstrong data-start=\"531\" data-end=\"556\"\u003eWhy choose our Hydros\u003c\/strong\u003e\u003cbr data-start=\"556\" data-end=\"559\"\u003e• Consistent, high-purity powder for rapid vat activation\u003cbr data-start=\"616\" data-end=\"619\"\u003e• Cost-effective alternative to spectralite (use a little more, save a lot)\u003cbr data-start=\"694\" data-end=\"697\"\u003e• Fine, free-flowing granules supplied in a resealable pouch\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"841\" data-end=\"868\" class=\"\"\u003e\u003cstrong data-start=\"841\" data-end=\"866\"\u003eDirections (10 L vat)\u003c\/strong\u003e\u003c\/p\u003e\n\u003col data-start=\"869\" data-end=\"1186\"\u003e\n\u003cli data-start=\"869\" data-end=\"937\" class=\"\"\u003e\n\u003cp data-start=\"872\" data-end=\"937\" class=\"\"\u003eSet vat at 40 °C with indigo\/woad and alkali already dissolved.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"938\" data-end=\"1048\" class=\"\"\u003e\n\u003cp data-start=\"941\" data-end=\"1048\" class=\"\"\u003eSprinkle 25 g Hydros evenly over the surface. \u003cstrong data-start=\"993\" data-end=\"1046\"\u003eAlways add Hydros to water—never water to Hydros.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1049\" data-end=\"1133\" class=\"\"\u003e\n\u003cp data-start=\"1052\" data-end=\"1133\" class=\"\"\u003eCover and wait ± 60 min. Vat should shift to yellow-green with a metallic film.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1134\" data-end=\"1186\" class=\"\"\u003e\n\u003cp data-start=\"1137\" data-end=\"1186\" class=\"\"\u003eStir gently, keeping air out, then begin dipping.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"1188\" data-end=\"1554\" class=\"\"\u003e\u003cstrong data-start=\"1188\" data-end=\"1205\"\u003eIn a nutshell\u003c\/strong\u003e\u003cbr data-start=\"1205\" data-end=\"1208\"\u003e• Function: Oxygen remover \/ vat reducer\u003cbr data-start=\"1248\" data-end=\"1251\"\u003e• Other names: Sodium dithionite, thiourea dioxide, thiox, hydrosulfite sodium\u003cbr data-start=\"1329\" data-end=\"1332\"\u003e• Compatibility: Indigo, woad, other vat dyes\u003cbr data-start=\"1377\" data-end=\"1380\"\u003e• Typical dose: 2–5 g · L⁻¹ (max. 50g per 10 L)\u003cbr data-start=\"1428\" data-end=\"1431\"\u003e• Packaging: Resealable moisture-proof pouch\u003cbr data-start=\"1475\" data-end=\"1478\"\u003e• Safety: Wear gloves \u0026amp; mask; store cool \u0026amp; dry away from acids and oxidisers\u003c\/p\u003e\n\u003cp data-start=\"1556\" data-end=\"1761\" class=\"\"\u003e\u003cstrong data-start=\"1556\" data-end=\"1576\"\u003eSafety \u0026amp; storage\u003c\/strong\u003e\u003cbr data-start=\"1576\" data-end=\"1579\"\u003eKeep sealed, cool and dry. Avoid inhalation of dust. Add powder to water—never the reverse—to prevent rapid exothermic reaction. Dispose of spent vats according to local regulations and keep away from children.\u003c\/p\u003e\n\u003cp data-start=\"1763\" data-end=\"1870\" class=\"\"\u003eNeed a full setup? Pair with our \u003cstrong data-start=\"1796\" data-end=\"1814\"\u003eNatural Indigo Kit\u003c\/strong\u003e for a ready-to-dye bundle.\u003c\/p\u003e","brand":"AppleOak FibreWorks","offers":[{"title":"25g","offer_id":9181727817785,"sku":"seehawer","price":5.65,"currency_code":"EUR","in_stock":true},{"title":"50g","offer_id":9181727850553,"sku":"seehawer","price":6.55,"currency_code":"EUR","in_stock":true},{"title":"75g","offer_id":9181727883321,"sku":"seehawer","price":7.5,"currency_code":"EUR","in_stock":true},{"title":"100g","offer_id":9181727916089,"sku":"seehawer","price":8.5,"currency_code":"EUR","in_stock":true},{"title":"250g","offer_id":51234627486032,"sku":"","price":14.0,"currency_code":"EUR","in_stock":true},{"title":"500g","offer_id":39526688456758,"sku":"","price":23.5,"currency_code":"EUR","in_stock":true},{"title":"1kg","offer_id":39526688718902,"sku":"","price":41.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0098\/2918\/7641\/files\/Hydros.jpg?v=1774371130"},{"product_id":"cream-of-tartar","title":"CREAM OF TARTAR ~PH influencer","description":"\u003cp\u003e\u003cstrong\u003eCREAM OF TARTAR ~ To change colour (PH indicator) and soften fibre\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCream of Tartar, also known as potassium bitartrate, is produced by fermenting grape juice. It is used to acidify the dye bath to effect a colour change, and in mordanting to soften wool fibers as well as slowing down the mordant uptake in a hot mordant bath.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstructions:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eIn general Cream of tartar can be dissolved in the dye bath. It helps to lower the PH of the bath.\u003cbr\u003ePH of Cream of tartar is 5.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"AppleOak FibreWorks","offers":[{"title":"25g","offer_id":18714867040313,"sku":"seehawer","price":5.7,"currency_code":"EUR","in_stock":true},{"title":"50g","offer_id":18714867073081,"sku":"seehawer","price":6.7,"currency_code":"EUR","in_stock":true},{"title":"75g","offer_id":18714867105849,"sku":"seehawer","price":7.7,"currency_code":"EUR","in_stock":true},{"title":"100g","offer_id":18714867138617,"sku":"seehawer","price":8.7,"currency_code":"EUR","in_stock":true},{"title":"500g","offer_id":39696126050358,"sku":"","price":24.6,"currency_code":"EUR","in_stock":true},{"title":"1kg","offer_id":39696126214198,"sku":"","price":44.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0098\/2918\/7641\/files\/Cream_of_tartar_f75a2cff-b2b3-46f2-9c27-10fae02c9529.jpg?v=1774371754"},{"product_id":"potash-potassium-carbonate-k-co-ph-adjuster-scouring-agent","title":"POTASH (Potassium Carbonate K₂CO₃) ~ pH Adjuster \u0026 Scouring Agent","description":"\u003ch3 data-start=\"596\" data-end=\"639\"\u003ePOTASH – pH ADJUSTER \u0026amp; SCOURING AGENT\u003c\/h3\u003e\n\u003cp data-start=\"641\" data-end=\"732\"\u003e\u003cstrong data-start=\"641\" data-end=\"659\"\u003eChemical name:\u003c\/strong\u003e Potassium Carbonate (K₂CO₃) | \u003cstrong data-start=\"690\" data-end=\"700\"\u003eGrade:\u003c\/strong\u003e Textile | \u003cstrong data-start=\"711\" data-end=\"724\"\u003eUse rate:\u003c\/strong\u003e 3–10%\u003c\/p\u003e\n\u003cp data-start=\"734\" data-end=\"1038\"\u003eNo natural-dye studio is complete without \u003cstrong data-start=\"776\" data-end=\"808\"\u003epotash (Pottasche in German)\u003c\/strong\u003e. This alkaline powder (K₂CO₃) is slightly stronger than soda ash and is traditionally used to raise the pH of dye baths and indigo vats, scour cellulose fibres, and intensify plant yellows such as weld by increasing alkalinity.\u003c\/p\u003e\n\u003cp data-start=\"1040\" data-end=\"1222\"\u003e💡 \u003cstrong data-start=\"1043\" data-end=\"1052\"\u003eNote:\u003c\/strong\u003e This product was previously listed as \u003cstrong data-start=\"1091\" data-end=\"1122\"\u003eSoda Ash (Sodium Carbonate)\u003c\/strong\u003e. We have updated the listing to \u003cstrong data-start=\"1155\" data-end=\"1187\"\u003ePotash (Potassium Carbonate)\u003c\/strong\u003e to reflect the correct material.\u003c\/p\u003e\n\u003chr data-start=\"1224\" data-end=\"1227\"\u003e\n\u003ch4 data-start=\"1229\" data-end=\"1240\"\u003eUses\u003c\/h4\u003e\n\u003cp data-start=\"1241\" data-end=\"1438\"\u003e• Boost pH in indigo, woad, or fructose vats\u003cbr data-start=\"1285\" data-end=\"1288\"\u003e• Add to your scouring bath\u003cbr data-start=\"1345\" data-end=\"1348\"\u003e• Intensify weld yellow and other plant yellows\u003cbr data-start=\"1395\" data-end=\"1398\"\u003e• Balance acidic dye baths when needed\u003c\/p\u003e\n\u003chr data-start=\"1440\" data-end=\"1443\"\u003e\n\u003ch4 data-start=\"1445\" data-end=\"1465\"\u003eIn a nutshell\u003c\/h4\u003e\n\u003cp data-start=\"1466\" data-end=\"1840\"\u003e• \u003cstrong data-start=\"1468\" data-end=\"1481\"\u003eMaterial:\u003c\/strong\u003e Potash (Potassium Carbonate K₂CO₃)\u003cbr data-start=\"1528\" data-end=\"1531\"\u003e• \u003cstrong data-start=\"1533\" data-end=\"1546\"\u003eFunction:\u003c\/strong\u003e pH enhancer \u0026amp; cellulose scour\u003cbr data-start=\"1576\" data-end=\"1579\"\u003e• \u003cstrong data-start=\"1581\" data-end=\"1590\"\u003eDose:\u003c\/strong\u003e 30–100 g · L⁻¹ (3–10% owf) dissolved in hot water or dye liquor\u003cbr data-start=\"1654\" data-end=\"1657\"\u003e• \u003cstrong data-start=\"1659\" data-end=\"1677\"\u003eCompatibility:\u003c\/strong\u003e All natural dyes; indigo \u0026amp; woad vats\u003cbr data-start=\"1714\" data-end=\"1717\"\u003e• \u003cstrong data-start=\"1719\" data-end=\"1733\"\u003ePackaging:\u003c\/strong\u003e Resealable moisture-proof pouch\u003cbr data-start=\"1765\" data-end=\"1768\"\u003e• \u003cstrong data-start=\"1770\" data-end=\"1781\"\u003eSafety:\u003c\/strong\u003e Wear gloves \u0026amp; mask; store cool, dry, and away from acids\u003c\/p\u003e\n\u003chr data-start=\"1842\" data-end=\"1845\"\u003e\n\u003ch4 data-start=\"1847\" data-end=\"1870\"\u003eBasic directions\u003c\/h4\u003e\n\u003cp data-start=\"1871\" data-end=\"2113\"\u003eDissolve the required potash in hot water (or directly into a hot dye bath) at 3–10%. Stir until clear, then add to the dye pot or fibre scour. For indigo vats, add potash after the pigment to adjust alkalinity before introducing a reducer.\u003c\/p\u003e\n\u003chr data-start=\"2115\" data-end=\"2118\"\u003e\n\u003ch4 data-start=\"2120\" data-end=\"2143\"\u003eSafety \u0026amp; storage\u003c\/h4\u003e\n\u003cp data-start=\"2144\" data-end=\"2330\"\u003ePotash is strongly alkaline. Avoid inhaling dust and protect eyes and skin. Store sealed and dry; keep away from children and acids. Dispose of effluent according to local regulations.\u003c\/p\u003e\n\u003chr data-start=\"2332\" data-end=\"2335\"\u003e\n\u003cp data-start=\"2337\" data-end=\"2442\"\u003e💡 \u003cstrong data-start=\"2340\" data-end=\"2348\"\u003eTip:\u003c\/strong\u003e Pair potash with our \u003cstrong data-start=\"2370\" data-end=\"2395\"\u003eNatural Indigo Powder\u003c\/strong\u003e or \u003cstrong data-start=\"2399\" data-end=\"2414\"\u003eIndigo Kits\u003c\/strong\u003e for a complete dye setup.\u003c\/p\u003e\n\u003chr data-start=\"2444\" data-end=\"2447\"\u003e\n\u003ch4 data-start=\"2449\" data-end=\"2480\"\u003ePotash vs Soda Ash Table\u003c\/h4\u003e\n\u003cdiv class=\"_tableContainer_16hzy_1\"\u003e\n\u003cdiv class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2481\" data-end=\"3389\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2481\" data-end=\"2591\"\u003e\n\u003ctr data-start=\"2481\" data-end=\"2591\"\u003e\n\u003cth data-start=\"2481\" data-end=\"2506\" data-col-size=\"sm\"\u003eFeature\u003c\/th\u003e\n\u003cth data-start=\"2506\" data-end=\"2548\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"2508\" data-end=\"2547\"\u003ePotash (Potassium Carbonate, K₂CO₃)\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth data-start=\"2548\" data-end=\"2591\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"2550\" data-end=\"2589\"\u003eSoda Ash or Sodium Carbonate, (Na₂CO₃)\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2703\" data-end=\"3389\"\u003e\n\u003ctr data-start=\"2703\" data-end=\"2812\"\u003e\n\u003ctd data-start=\"2703\" data-end=\"2728\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2705\" data-end=\"2719\"\u003eAlkalinity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2728\" data-end=\"2769\" data-col-size=\"md\"\u003eStronger\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2769\" data-end=\"2812\"\u003eMilder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2813\" data-end=\"2928\"\u003e\n\u003ctd data-start=\"2813\" data-end=\"2838\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2815\" data-end=\"2827\"\u003eBest for\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2838\" data-end=\"2879\"\u003eIndigo \u0026amp; woad vats needing a high pH\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2879\" data-end=\"2928\"\u003eControlled pH adjustment \u0026amp; cellulose scouring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2929\" data-end=\"3040\"\u003e\n\u003ctd data-start=\"2929\" data-end=\"2954\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2931\" data-end=\"2944\"\u003eFibre use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2954\" data-end=\"2995\" data-col-size=\"md\"\u003eSuitable for all natural fibres\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2995\" data-end=\"3040\"\u003eIdeal for cellulose (cotton, linen, hemp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3041\" data-end=\"3151\"\u003e\n\u003ctd data-start=\"3041\" data-end=\"3066\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3043\" data-end=\"3061\"\u003eEffect on dyes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"3066\" data-end=\"3107\" data-col-size=\"md\"\u003eBoosts colour strength (like weld)\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3107\" data-end=\"3151\"\u003eBrightens plant yellows like weld\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3152\" data-end=\"3262\"\u003e\n\u003ctd data-start=\"3152\" data-end=\"3177\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3154\" data-end=\"3173\"\u003eTraditional use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"3177\" data-end=\"3218\" data-col-size=\"md\"\u003eHistoric indigo vat additive\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3218\" data-end=\"3262\"\u003eGeneral scouring \u0026amp; pH adjustments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3263\" data-end=\"3389\"\u003e\n\u003ctd data-start=\"3263\" data-end=\"3288\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3265\" data-end=\"3281\"\u003eSubstitution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3288\" data-end=\"3346\"\u003eCan be used instead of soda ash for stronger alkalinity\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3346\" data-end=\"3389\"\u003eGentler option if potash is too strong\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"AppleOak FibreWorks","offers":[{"title":"25g","offer_id":18714914259001,"sku":"seehawer","price":5.5,"currency_code":"EUR","in_stock":true},{"title":"50g","offer_id":18714914291769,"sku":"seehawer","price":6.5,"currency_code":"EUR","in_stock":true},{"title":"75g","offer_id":18714914324537,"sku":"seehawer","price":7.0,"currency_code":"EUR","in_stock":true},{"title":"100g","offer_id":18714914357305,"sku":"seehawer","price":7.95,"currency_code":"EUR","in_stock":true},{"title":"250g","offer_id":49672540160336,"sku":null,"price":11.5,"currency_code":"EUR","in_stock":true},{"title":"500g","offer_id":39526688948278,"sku":"","price":17.95,"currency_code":"EUR","in_stock":true},{"title":"1kg","offer_id":39526689734710,"sku":"","price":28.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0098\/2918\/7641\/files\/Potash_Potassium_carbonate.jpg?v=1774436062"},{"product_id":"fructose-1-2-3-indigo-vat","title":"FRUCTOSE - 1-2-3 Indigo Vat","description":"\u003cp\u003eIt is possible to create a vat from\u003ca href=\"https:\/\/appleoakfibreworks.com\/collections\/natural-dyes\/products\/indigo-dye\" title=\"Organic Indigo\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e indigo\u003c\/a\u003e, \u003ca href=\"https:\/\/appleoakfibreworks.com\/collections\/mordants\/products\/lime-1-2-3-indigo-vat\" title=\"Lime for 1-2-3 Indigo Vat\" rel=\"noopener noreferrer\" target=\"_blank\"\u003elime (calcium hydroxide)\u003c\/a\u003e and over-ripe fruit such as bananas or dates that relies on the chemistry of the sugars* rather than fermentation of the fruit. But it’s easier to simply use fructose shared in\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/naturaldyeworkshop.files.wordpress.com\/2011\/04\/recipe_organicindigovat.pdf\" title=\"Michel Marcia 1-2-3 Indigo Vat\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eMichel Garcia’s 1-2-3 recipe\u003c\/strong\u003e\u003c\/a\u003e. It’s very simple: One Part indigo, two parts lime and three parts fructose, plus warmth.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e*Fructose\u003c\/strong\u003e and \u003cstrong\u003eglucose\u003c\/strong\u003e found in ripe fruit are reducing sugars; ordinary sugar – sucrose – is not a reducing sugar. \u003c\/span\u003e\u003c\/p\u003e","brand":"AppleOak FibreWorks","offers":[{"title":"125g","offer_id":30475293818937,"sku":"","price":7.3,"currency_code":"EUR","in_stock":true},{"title":"250g","offer_id":30475381899321,"sku":"","price":9.75,"currency_code":"EUR","in_stock":true},{"title":"500g","offer_id":30475381932089,"sku":"","price":14.85,"currency_code":"EUR","in_stock":true},{"title":"1000g","offer_id":30475381964857,"sku":"","price":24.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0098\/2918\/7641\/files\/Fructose.jpg?v=1774371141"},{"product_id":"lime-calcium-hydroxide","title":"HYDRATED LIME (Calcium Hydroxide) | Indigo Dyeing \u0026 Indigo Production","description":"\u003ch2\u003e\u003cspan\u003eAn Essential Ingredient for Indigo Dyeing\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHydrated lime, also known as calcium hydroxide, is a traditional material widely used in indigo dyeing and indigo production.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eProduced by reacting lime derived from limestone with water, hydrated lime is a naturally occurring alkaline material with a long history of use in indigo processing, agriculture, building and water treatment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHydrated lime is commonly used in indigo reduction vats, including iron-lime vats and organic fructose vats, and plays an important role in traditional indigo extraction and production methods.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Details\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHydrated Lime\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eChemical Name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCalcium Hydroxide\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFormula\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCa(OH)₂\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eForm\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFine powder\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSuitable For\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIndigo vats, lime water, indigo extraction and indigo production\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eUses in Indigo Dyeing \u0026amp; Production\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHydrated lime is commonly used for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eIron-lime indigo vats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOrganic fructose indigo vats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1-2-3 and 1-3-2 indigo vat recipes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLime water preparation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIndigo extraction and precipitation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShade enhancement before indigo dyeing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTraditional indigo production methods\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eLime Water for Indigo Extraction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHydrated lime is often used to prepare \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003elime water\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, an alkaline solution used during the extraction and precipitation of indigo pigment from indigo-bearing plants.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eLime water helps adjust pH during extraction and is an important component in many traditional indigo production methods.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eMany dyers and indigo producers keep a supply of lime water on hand for both pigment extraction and indigo vat preparation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eOrganic Indigo Vats\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eMany dyers use lime alongside fructose to create a simple and effective organic indigo vat.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA common recipe follows:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e1 Part Indigo : 2 Parts Lime : 3 Parts Fructose\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCombined with warmth, this creates a reduction vat based on sugar chemistry rather than fermentation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eUnderstanding Lime \u0026amp; Carbonation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHydrated lime is produced from calcium carbonate (limestone).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen exposed to air, it slowly reacts with carbon dioxide and gradually converts back into calcium carbonate through a natural process known as carbonation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor dyers, this means:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eFresh lime is generally more active and predictable.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-term exposure to air reduces effectiveness.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMoisture accelerates deterioration.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProper storage helps maintain performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStorage Recommendations\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eKeep tightly sealed when not in use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStore in a cool, dry place.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvoid prolonged exposure to air.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAlways use clean, dry utensils.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eStored correctly, hydrated lime remains usable for a long period, although freshness is always preferred for indigo vat preparation and indigo extraction work.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eLearn More About Indigo Vats\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHydrated lime is used extensively throughout our Indigo Week resources and AppleOak indigo guides.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYou can explore our indigo articles and tutorials here:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca href=\"https:\/\/appleoakfibreworks.com\/blogs\/news\"\u003e\u003cspan\u003ehttps:\/\/appleoakfibreworks.com\/blogs\/news\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eJoin Our Free Natural Dyeing Community\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eLooking to deepen your natural dyeing knowledge and connect with other passionate dyers?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eStart by joining our free Natural Dyers Academy community, where you'll find inspiration, discussions, resources, and opportunities to learn more about natural dyes, mordanting, fibre preparation, colour exploration, dye plant cultivation, and sustainable textile practices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eJoin the free community here:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca href=\"https:\/\/the-natural-dyers-academy.mn.co\/share\/Mz7coMI6VgbJMchB?utm_source=manual\"\u003e\u003cspan\u003ehttps:\/\/the-natural-dyers-academy.mn.co\/share\/Mz7coMI6VgbJMchB?utm_source=manual\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInside the community you'll find:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Natural dyeing discussions and inspiration\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Helpful resources and learning opportunities\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Dye plant growing and harvesting tips\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Colour studies and recipe sharing\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Community support from fellow natural dyers\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Information about workshops, courses, and Academy membership options\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you'd like more structured learning, in-depth tutorials, workshops, and exclusive resources, you can also explore our full Natural Dyers Academy membership from within the community.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e________________________________________________________________________________________________\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePlease Note\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor textile, craft and technical use only.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNot intended for food, cosmetic or medicinal applications.\u003c\/span\u003e\u003c\/p\u003e","brand":"AppleOak FibreWorks","offers":[{"title":"50g","offer_id":49821426647376,"sku":"","price":7.0,"currency_code":"EUR","in_stock":true},{"title":"75g","offer_id":49821426680144,"sku":"","price":7.5,"currency_code":"EUR","in_stock":true},{"title":"100g","offer_id":49821426712912,"sku":"","price":7.95,"currency_code":"EUR","in_stock":true},{"title":"250g","offer_id":30475664293945,"sku":"","price":10.95,"currency_code":"EUR","in_stock":true},{"title":"500g","offer_id":30475664326713,"sku":"","price":15.95,"currency_code":"EUR","in_stock":true},{"title":"1kg","offer_id":30475664392249,"sku":"","price":25.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0098\/2918\/7641\/files\/calcium_hydroxide_8c900b7d-84e1-4852-a0e2-1c1f9a972cc0.png?v=1781700313"},{"product_id":"citric-acid","title":"CITRIC ACID ~ To lower pH","description":"\u003cp\u003eA small amount of Citric Acid can make a big difference in adjusting the PH levels of various substances. It falls between lemon juice and Tartaric Acid in terms of strength and is a valuable tool in achieving desired levels of acidity in natural Dyeing.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"AppleOak FibreWorks","offers":[{"title":"125g","offer_id":30475864309817,"sku":"","price":7.5,"currency_code":"EUR","in_stock":true},{"title":"250g","offer_id":30475864342585,"sku":"","price":9.75,"currency_code":"EUR","in_stock":true},{"title":"500g","offer_id":30475864375353,"sku":"","price":14.75,"currency_code":"EUR","in_stock":true},{"title":"1kg","offer_id":30475864408121,"sku":"","price":24.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0098\/2918\/7641\/files\/Citric_Acid_b9fcc6b4-cf27-4a10-9bc8-5559ba97b762.jpg?v=1774372271"},{"product_id":"tartaric-acid","title":"TARTARIC ACID ~ strong natural acid","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTartaric Acid, a byproduct of wine making, is a stronger alternative to Citric Acid. It is commonly used in natural dyeing to lower the pH to 1+ and intensify and brighten cochineal reds. Additionally, it serves as an antioxidant (E334) and is naturally present in grapes and bananas.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"AppleOak FibreWorks","offers":[{"title":"50g","offer_id":49672320123216,"sku":null,"price":9.85,"currency_code":"EUR","in_stock":true},{"title":"100g","offer_id":49755727167824,"sku":"","price":15.0,"currency_code":"EUR","in_stock":true},{"title":"125g","offer_id":32478825316406,"sku":null,"price":17.6,"currency_code":"EUR","in_stock":true},{"title":"250g","offer_id":32478825349174,"sku":null,"price":30.5,"currency_code":"EUR","in_stock":true},{"title":"500g","offer_id":32478825414710,"sku":null,"price":56.3,"currency_code":"EUR","in_stock":true},{"title":"1kg","offer_id":32478825447478,"sku":null,"price":107.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0098\/2918\/7641\/files\/Tartaric_acid.jpg?v=1774372500"},{"product_id":"guar-gum-organic-natural-thickener","title":"GUAR GUM ORGANIC ~Natural thickener","description":"\u003cp data-start=\"53\" data-end=\"225\"\u003e\u003cstrong data-start=\"53\" data-end=\"73\"\u003eGUAR GUM ORGANIC\u003c\/strong\u003e\u003cbr data-start=\"73\" data-end=\"76\"\u003e\u003cem\u003e\u003cstrong data-start=\"76\" data-end=\"84\"\u003eUse:\u003c\/strong\u003e Printing with Natural Dyes | \u003cstrong data-start=\"114\" data-end=\"133\"\u003eBotanical Name:\u003c\/strong\u003e Cyamopsis tetragonoloba | \u003cstrong data-start=\"162\" data-end=\"181\"\u003eAlternative to:\u003c\/strong\u003e Gum Arabic | \u003cstrong data-start=\"195\" data-end=\"216\"\u003eAlternative Name:\u003c\/strong\u003e Guaran\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"227\" data-end=\"653\"\u003eGuar Gum is derived from organic guar beans and is an essential ingredient in natural dye printmaking. It is used to create a paste that works effectively with mordant dyes , allowing for precise application. Guar Gum thickens as it absorbs liquid, making it ideal for printmaking on textiles. Use a handheld blender or mixer to ensure even dissolution, and adjust the amount as needed for the desired consistency.\u003c\/p\u003e\n\u003cp data-start=\"655\" data-end=\"674\"\u003e\u003cstrong data-start=\"655\" data-end=\"672\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"675\" data-end=\"944\"\u003e\n\u003cli data-start=\"675\" data-end=\"700\"\u003e100% Organic Guar Gum\u003c\/li\u003e\n\u003cli data-start=\"701\" data-end=\"730\"\u003eAlternative to Gum Arabic\u003c\/li\u003e\n\u003cli data-start=\"731\" data-end=\"779\"\u003eUsed for printing with mordant dyes \u0026amp; Indigo\u003c\/li\u003e\n\u003cli data-start=\"780\" data-end=\"825\"\u003eThickens naturally for better application\u003c\/li\u003e\n\u003cli data-start=\"826\" data-end=\"882\"\u003eHelps create a mordant carrier for cellulose fabrics\u003c\/li\u003e\n\u003cli data-start=\"883\" data-end=\"944\"\u003eBest mixed with a handheld blender for smooth consistency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"946\" data-end=\"1353\"\u003e\u003cstrong data-start=\"946\" data-end=\"959\"\u003eFunction:\u003c\/strong\u003e\u003cbr data-start=\"959\" data-end=\"962\"\u003eGuar Gum acts as a mordant carrier in natural dyeing. When combined with mordant-based dyes, it forms a rubber-like substance that can be drawn or printed onto fabric. Once dried, the gum must be removed with a Chalk and Wheat Bran solution, followed by a rinse. The fabric is then ready for dyeing. After dyeing, rinse thoroughly and boil with a small amount of organic washing-up liquid.\u003c\/p\u003e\n\u003cp data-start=\"1355\" data-end=\"1427\"\u003e\u003cstrong data-start=\"1355\" data-end=\"1425\"\u003eBasic Recipe for Guar Gum Mordant Carrier (for Cellulose Fabrics):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1429\" data-end=\"1456\"\u003e\u003cstrong data-start=\"1429\" data-end=\"1454\"\u003eIngredients for 100g:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1457\" data-end=\"1534\"\u003e\n\u003cli data-start=\"1457\" data-end=\"1469\"\u003e10g Alum\u003c\/li\u003e\n\u003cli data-start=\"1470\" data-end=\"1485\"\u003e5g Soda Ash\u003c\/li\u003e\n\u003cli data-start=\"1486\" data-end=\"1518\"\u003e84g Vinegar (5% Acetic Acid)\u003c\/li\u003e\n\u003cli data-start=\"1519\" data-end=\"1534\"\u003e1g Guar Gum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1536\" data-end=\"1558\"\u003e\u003cstrong data-start=\"1536\" data-end=\"1556\"\u003eStorage \u0026amp; Usage:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1559\" data-end=\"1676\"\u003e\n\u003cli data-start=\"1559\" data-end=\"1620\"\u003eOnce mixed, the solution will only last a couple of days.\u003c\/li\u003e\n\u003cli data-start=\"1621\" data-end=\"1676\"\u003eStore in the fridge and use fresh for best results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1678\" data-end=\"1792\"\u003eEnhance your textile printing with this essential natural thickener, perfect for artists and dyeing enthusiasts.\u003c\/p\u003e","brand":"AppleOak FibreWorks","offers":[{"title":"25g","offer_id":32814544519222,"sku":"816908","price":5.5,"currency_code":"EUR","in_stock":true},{"title":"50g","offer_id":32814544551990,"sku":"816908","price":6.0,"currency_code":"EUR","in_stock":true},{"title":"75g","offer_id":32814544584758,"sku":"816908","price":6.7,"currency_code":"EUR","in_stock":true},{"title":"100g","offer_id":32814544617526,"sku":"816908","price":7.5,"currency_code":"EUR","in_stock":true},{"title":"500g","offer_id":32814613135414,"sku":"","price":18.25,"currency_code":"EUR","in_stock":true},{"title":"1kg","offer_id":32814613299254,"sku":"","price":31.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0098\/2918\/7641\/files\/Guar_gum.jpg?v=1774371635"},{"product_id":"calcium-carbonate-chalk-dunging-mordanting-natural-dyeing","title":"CALCIUM CARBONATE (Chalk) | Dunging, Mordanting \u0026 Natural Dyeing","description":"\u003ch2\u003e\u003cspan\u003eTraditional Chalk for Cellulose Mordanting \u0026amp; Natural Dyeing\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCalcium carbonate, commonly known as chalk, has long been used in natural dyeing and textile preparation. It is particularly valued in traditional cellulose mordanting, where it is used during the dunging process to help stabilise aluminium acetate and prepare fibres for dyeing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAt AppleOak FibreWorks, we offer two sources of calcium carbonate:\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eBlanc de Meudon (France)\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA traditional, finely milled chalk widely used in textile work, natural dyeing and decorative applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eBurren Limestone Chalk (Co. Clare, Ireland)\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCollected from limestone sourced near the Burren, one of Ireland's most iconic limestone landscapes. Rich in naturally occurring calcium carbonate, this minimally processed chalk performs beautifully for dunging and textile work.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAs it is collected in its natural state, occasional small stones or mineral particles may be present. If required, simply sieve before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Details\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCalcium Carbonate\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAlso Known As\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChalk, Blanc de Meudon, Blanc d'Espagne\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFunction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDunging, mordanting and dyeing aid\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eForm\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFine powder\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSuitable For\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNatural dyeing, textile preparation, pigment work\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eUses in Natural Dyeing\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCalcium carbonate is commonly used for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDunging after aluminium acetate mordanting\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTraditional cellulose mordanting processes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStabilising aluminium acetate within fibres\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMadder dye baths where water contains insufficient calcium\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePigment and colour preparation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003epH adjustment in selected dye processes\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHistorically, dunging often involved cow dung. Today, calcium carbonate provides a cleaner and more practical alternative while serving a similar purpose in many mordanting systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eSuggested Usage\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eDunging Bath\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1–2 teaspoons per litre of water\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eor approximately 1% WOF (weight of fibre)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eor 1–3g per litre\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eStir thoroughly before use, if you are using Burren stone, double the quantity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eCalcium \u0026amp; Madder\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCalcium plays an important role in many madder dye baths.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhere local water is naturally soft and low in calcium, adding calcium carbonate can help encourage brighter, clearer red shades.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eChoosing Between Our Two Options\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBoth products perform well in natural dyeing applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eChoose Blanc de Meudon if:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• you prefer a traditional textile-grade chalk\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• you want a consistently fine texture\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eChoose Burren Limestone if:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• you value locally sourced materials\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• you enjoy working with minimally processed natural materials\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• you appreciate a connection to place and landscape\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eJoin Our Free Natural Dyeing Community\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eLooking to deepen your natural dyeing knowledge and connect with other passionate dyers?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eStart by joining our free Natural Dyers Academy community, where you'll find inspiration, discussions, resources, and opportunities to learn more about natural dyes, mordanting, fibre preparation, colour exploration, dye plant cultivation, and sustainable textile practices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eJoin the free community here:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca href=\"https:\/\/the-natural-dyers-academy.mn.co\/share\/Mz7coMI6VgbJMchB?utm_source=manual\"\u003e\u003cspan\u003ehttps:\/\/the-natural-dyers-academy.mn.co\/share\/Mz7coMI6VgbJMchB?utm_source=manual\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInside the community you'll find:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Natural dyeing discussions and inspiration\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Helpful resources and learning opportunities\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Dye plant growing and harvesting tips\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Colour studies and recipe sharing\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Community support from fellow natural dyers\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Information about workshops, courses, and Academy membership options\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIf you'd like more structured learning, in-depth tutorials, workshops, and exclusive resources, you can also explore our full Natural Dyers Academy membership from within the community.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003ePlease Note\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Burren Limestone Chalk is a natural material and may contain occasional small stones or mineral particles. Sieving before use is recommended if a finer texture is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor textile, craft and technical use only.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNot intended for food, cosmetic or medicinal applications.\u003c\/span\u003e\u003c\/p\u003e","brand":"AppleOak FibreWorks","offers":[{"title":"50g \/ Burren Limestone","offer_id":51839843369296,"sku":null,"price":6.5,"currency_code":"EUR","in_stock":true},{"title":"50g \/ Blanc de Meudon","offer_id":51839843402064,"sku":null,"price":7.0,"currency_code":"EUR","in_stock":true},{"title":"75g \/ Burren Limestone","offer_id":51839843434832,"sku":null,"price":7.0,"currency_code":"EUR","in_stock":true},{"title":"75g \/ Blanc de Meudon","offer_id":51839843467600,"sku":null,"price":7.5,"currency_code":"EUR","in_stock":true},{"title":"100g \/ Burren Limestone","offer_id":39861477769270,"sku":"","price":7.5,"currency_code":"EUR","in_stock":true},{"title":"100g \/ Blanc de Meudon","offer_id":51839843500368,"sku":null,"price":8.0,"currency_code":"EUR","in_stock":true},{"title":"250g \/ Burren Limestone","offer_id":44298162143536,"sku":"","price":9.5,"currency_code":"EUR","in_stock":true},{"title":"250g \/ Blanc de Meudon","offer_id":51839843533136,"sku":null,"price":10.95,"currency_code":"EUR","in_stock":true},{"title":"500g \/ Burren Limestone","offer_id":44298166731056,"sku":"","price":12.95,"currency_code":"EUR","in_stock":true},{"title":"500g \/ Blanc de Meudon","offer_id":51839843565904,"sku":null,"price":15.95,"currency_code":"EUR","in_stock":true},{"title":"1kg \/ Burren Limestone","offer_id":44298167615792,"sku":"","price":19.5,"currency_code":"EUR","in_stock":true},{"title":"1kg \/ Blanc de Meudon","offer_id":51839843598672,"sku":null,"price":25.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0098\/2918\/7641\/files\/Calcium_Carbonate.jpg?v=1781700385"},{"product_id":"wheat-bran-fodder-grade","title":"Wheat Bran ~ fodder grade","description":"\u003cp\u003eWheat Bran is an incredible simple by product of the bread making industry. We use it to remove guar gum from mordanted fabrics, improve water quality for dyeing and feeding our indigo fermentation vats. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRule of thumb for dunging or guar gum removal: 10g\/L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePlease be aware that this is an agricultural product for animals and does not have the human consumption label. \u003c\/em\u003e\u003c\/p\u003e","brand":"AppleOak FibreWorks","offers":[{"title":"50g\/1.76oz","offer_id":48621657063760,"sku":"","price":4.0,"currency_code":"EUR","in_stock":true},{"title":"100g\/3.5oz","offer_id":48621657096528,"sku":"","price":8.0,"currency_code":"EUR","in_stock":true},{"title":"250g\/8.8oz","offer_id":48621657129296,"sku":"","price":15.0,"currency_code":"EUR","in_stock":true},{"title":"500g\/17.6oz","offer_id":48621657162064,"sku":"","price":25.0,"currency_code":"EUR","in_stock":true},{"title":"1kg\/2.2lbs.","offer_id":48621657194832,"sku":"","price":48.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0098\/2918\/7641\/files\/Wheat_bran.jpg?v=1774367975"},{"product_id":"fullers-earth","title":"Fuller's Earth","description":"\u003cp\u003eA simple clay base we use for creating Maya Blue in our workshop. It is also used\u003cspan\u003e as an inert pigment or filler in paint and other products, as well as in the refining of oils. It is a form of diatomaceous earth.\u003c\/span\u003e\u003c\/p\u003e","brand":"AppleOak FibreWorks","offers":[{"title":"25g","offer_id":49157547032912,"sku":"","price":4.0,"currency_code":"EUR","in_stock":true},{"title":"50g","offer_id":49157547065680,"sku":"","price":5.5,"currency_code":"EUR","in_stock":true},{"title":"100g","offer_id":49157547098448,"sku":"","price":6.0,"currency_code":"EUR","in_stock":true},{"title":"250g","offer_id":49157547131216,"sku":"","price":8.35,"currency_code":"EUR","in_stock":true},{"title":"500g","offer_id":49157547163984,"sku":"","price":12.35,"currency_code":"EUR","in_stock":true},{"title":"1000g","offer_id":49157547196752,"sku":"","price":22.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0098\/2918\/7641\/files\/Fullers_earth.jpg?v=1774372417"},{"product_id":"soda-ash-sodium-carbonate-na-co-ph-adjuster-scouring-agent","title":"SODA ASH (Sodium Carbonate Na₂CO₃) – pH Adjuster \u0026 Scouring Agent","description":"\u003ch3 data-start=\"5861\" data-end=\"5906\"\u003eSODA ASH – pH ADJUSTER \u0026amp; SCOURING AGENT\u003c\/h3\u003e\n\u003cp data-start=\"5908\" data-end=\"5997\"\u003e\u003cstrong data-start=\"5908\" data-end=\"5926\"\u003eChemical name:\u003c\/strong\u003e Sodium Carbonate (Na₂CO₃) | \u003cstrong data-start=\"5955\" data-end=\"5965\"\u003eGrade:\u003c\/strong\u003e Textile | \u003cstrong data-start=\"5976\" data-end=\"5989\"\u003eUse rate:\u003c\/strong\u003e 3–10%\u003c\/p\u003e\n\u003cp data-start=\"5999\" data-end=\"6261\"\u003eNo natural-dye studio is complete without \u003cstrong data-start=\"6041\" data-end=\"6070\"\u003esoda ash (Soda in German)\u003c\/strong\u003e. This alkaline powder (Na₂CO₃) raises the pH of dye baths and indigo vats, scours cellulose fibres such as cotton and linen, and brightens plant yellows like weld by increasing alkalinity.\u003c\/p\u003e\n\u003cp data-start=\"6263\" data-end=\"6413\"\u003e💡 \u003cstrong data-start=\"6266\" data-end=\"6275\"\u003eNote:\u003c\/strong\u003e Soda ash is milder than \u003cstrong data-start=\"6300\" data-end=\"6332\"\u003ePotash (Potassium Carbonate)\u003c\/strong\u003e, making it suitable for situations where a gentler pH adjustment is preferred.\u003cstrong\u003e If you bought our 'Soda Ash' in the past, you would be looking for Potash, \u003c\/strong\u003erather than this new Soda Ash listing.\u003c\/p\u003e\n\u003chr data-start=\"6415\" data-end=\"6418\"\u003e\n\u003ch4 data-start=\"6420\" data-end=\"6431\"\u003eUses\u003c\/h4\u003e\n\u003cp data-start=\"6432\" data-end=\"6629\"\u003e• Boost pH in indigo, woad, or fructose vats\u003cbr data-start=\"6476\" data-end=\"6479\"\u003e• Scour cotton, linen, hemp, and bamboo before mordanting\u003cbr data-start=\"6536\" data-end=\"6539\"\u003e• Intensify weld yellow and other plant yellows\u003cbr data-start=\"6586\" data-end=\"6589\"\u003e• Balance acidic dye baths when needed\u003c\/p\u003e\n\u003chr data-start=\"6631\" data-end=\"6634\"\u003e\n\u003ch4 data-start=\"6636\" data-end=\"6656\"\u003eIn a nutshell\u003c\/h4\u003e\n\u003cp data-start=\"6657\" data-end=\"7020\"\u003e• \u003cstrong data-start=\"6659\" data-end=\"6672\"\u003eMaterial:\u003c\/strong\u003e Sodium carbonate (soda ash, Na₂CO₃)\u003cbr data-start=\"6708\" data-end=\"6711\"\u003e• \u003cstrong data-start=\"6713\" data-end=\"6726\"\u003eFunction:\u003c\/strong\u003e pH enhancer \u0026amp; cellulose scour\u003cbr data-start=\"6756\" data-end=\"6759\"\u003e• \u003cstrong data-start=\"6761\" data-end=\"6770\"\u003eDose:\u003c\/strong\u003e 30–100 g · L⁻¹ (3–10% owf) dissolved in hot water or dye liquor\u003cbr data-start=\"6834\" data-end=\"6837\"\u003e• \u003cstrong data-start=\"6839\" data-end=\"6857\"\u003eCompatibility:\u003c\/strong\u003e All natural dyes; indigo \u0026amp; woad vats\u003cbr data-start=\"6894\" data-end=\"6897\"\u003e• \u003cstrong data-start=\"6899\" data-end=\"6913\"\u003ePackaging:\u003c\/strong\u003e Resealable moisture-proof pouch\u003cbr data-start=\"6945\" data-end=\"6948\"\u003e• \u003cstrong data-start=\"6950\" data-end=\"6961\"\u003eSafety:\u003c\/strong\u003e Wear gloves \u0026amp; mask; store cool, dry, and away from acids\u003c\/p\u003e\n\u003chr data-start=\"7022\" data-end=\"7025\"\u003e\n\u003ch4 data-start=\"7027\" data-end=\"7050\"\u003eBasic directions\u003c\/h4\u003e\n\u003cp data-start=\"7051\" data-end=\"7297\"\u003eDissolve the required soda ash in hot water (or directly into a hot dye bath) at 3–10%. Stir until clear, then add to the dye pot or fibre scour. For indigo vats, add soda ash after the pigment to adjust alkalinity before introducing a reducer.\u003c\/p\u003e\n\u003chr data-start=\"7299\" data-end=\"7302\"\u003e\n\u003ch4 data-start=\"7304\" data-end=\"7327\"\u003eSafety \u0026amp; storage\u003c\/h4\u003e\n\u003cp data-start=\"7328\" data-end=\"7516\"\u003eSoda ash is strongly alkaline. Avoid inhaling dust and protect eyes and skin. Store sealed and dry; keep away from children and acids. Dispose of effluent according to local regulations.\u003c\/p\u003e\n\u003chr data-start=\"7518\" data-end=\"7521\"\u003e\n\u003cp data-start=\"7523\" data-end=\"7620\"\u003e💡 \u003cstrong data-start=\"7526\" data-end=\"7534\"\u003eTip:\u003c\/strong\u003e If you need a stronger pH adjuster, try our \u003cstrong data-start=\"7579\" data-end=\"7617\"\u003ePotash (Potassium Carbonate K₂CO₃)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv class=\"_tableContainer_16hzy_1\"\u003e\n\u003cdiv class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2444\" data-end=\"2447\"\u003e\n\u003ch4 data-start=\"2449\" data-end=\"2480\"\u003ePotash vs Soda Ash Table\u003c\/h4\u003e\n\u003cdiv class=\"_tableContainer_16hzy_1\"\u003e\n\u003cdiv class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2481\" data-end=\"3389\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2481\" data-end=\"2591\"\u003e\n\u003ctr data-start=\"2481\" data-end=\"2591\"\u003e\n\u003cth data-start=\"2481\" data-end=\"2506\" data-col-size=\"sm\"\u003eFeature\u003c\/th\u003e\n\u003cth data-start=\"2506\" data-end=\"2548\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"2508\" data-end=\"2547\"\u003ePotash (Potassium Carbonate, K₂CO₃)\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth data-start=\"2548\" data-end=\"2591\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"2550\" data-end=\"2589\"\u003eSoda Ash or Sodium Carbonate, (Na₂CO₃)\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2703\" data-end=\"3389\"\u003e\n\u003ctr data-start=\"2703\" data-end=\"2812\"\u003e\n\u003ctd data-start=\"2703\" data-end=\"2728\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2705\" data-end=\"2719\"\u003eAlkalinity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2728\" data-end=\"2769\" data-col-size=\"md\"\u003eStronger\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2769\" data-end=\"2812\"\u003eMilder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2813\" data-end=\"2928\"\u003e\n\u003ctd data-start=\"2813\" data-end=\"2838\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2815\" data-end=\"2827\"\u003eBest for\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2838\" data-end=\"2879\"\u003eIndigo \u0026amp; woad vats needing a high pH\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2879\" data-end=\"2928\"\u003eControlled pH adjustment \u0026amp; cellulose scouring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2929\" data-end=\"3040\"\u003e\n\u003ctd data-start=\"2929\" data-end=\"2954\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2931\" data-end=\"2944\"\u003eFibre use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2954\" data-end=\"2995\" data-col-size=\"md\"\u003eSuitable for all natural fibres\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2995\" data-end=\"3040\"\u003eIdeal for cellulose (cotton, linen, hemp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3041\" data-end=\"3151\"\u003e\n\u003ctd data-start=\"3041\" data-end=\"3066\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3043\" data-end=\"3061\"\u003eEffect on dyes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"3066\" data-end=\"3107\" data-col-size=\"md\"\u003eBoosts colour strength (like weld)\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3107\" data-end=\"3151\"\u003eBrightens plant yellows like weld\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3152\" data-end=\"3262\"\u003e\n\u003ctd data-start=\"3152\" data-end=\"3177\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3154\" data-end=\"3173\"\u003eTraditional use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"3177\" data-end=\"3218\" data-col-size=\"md\"\u003eHistoric indigo vat additive\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3218\" data-end=\"3262\"\u003eGeneral scouring \u0026amp; pH adjustments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3263\" data-end=\"3389\"\u003e\n\u003ctd data-start=\"3263\" data-end=\"3288\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3265\" data-end=\"3281\"\u003eSubstitution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3288\" data-end=\"3346\"\u003eCan be used instead of soda ash for stronger alkalinity\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3346\" data-end=\"3389\"\u003eGentler option if potash is too strong\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"AppleOak FibreWorks","offers":[{"title":"25g","offer_id":51849845834064,"sku":null,"price":5.5,"currency_code":"EUR","in_stock":true},{"title":"50g","offer_id":51849845866832,"sku":null,"price":6.5,"currency_code":"EUR","in_stock":true},{"title":"75g","offer_id":51849845899600,"sku":null,"price":7.0,"currency_code":"EUR","in_stock":true},{"title":"100g","offer_id":51849845932368,"sku":null,"price":7.95,"currency_code":"EUR","in_stock":true},{"title":"250g","offer_id":51849845965136,"sku":null,"price":11.5,"currency_code":"EUR","in_stock":true},{"title":"500g","offer_id":51849845997904,"sku":null,"price":17.95,"currency_code":"EUR","in_stock":true},{"title":"1kg","offer_id":51849846030672,"sku":null,"price":28.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0098\/2918\/7641\/files\/Sodium_carbonate_Soda_ash.jpg?v=1774436281"}],"url":"https:\/\/appleoakfibreworks.com\/collections\/additives\/material-type_mordant.oembed","provider":"AppleOak FibreWorks","version":"1.0","type":"link"}