This is pure Sodium Carbonate. “Washing Soda” available in the supermarket contains bleaches, dyes and perfumes and will not work in the Indigo Natural Fermentation vat.
Indigo - Ultra - Aurora Silk & Natural Dyes
Soda ash (SA), also known as sodium carbonate, is a workhorse in the dye studio. It is an easy way to add alkalinity to a dyebath to modify its shade.
Soda Ash
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Pure Original Ingredients Natural Washing Soda is the perfect multipurpose cleaner Also called soda ash and sodium carbonate Hypoallergenic
Pure Original Ingredients Natural Washing Soda (1 lb.), Eco-Friendly Packaging, Multi-Purpose Cleaner, Water Softener, Stain-Remover
Pure Original Ingredients Natural Washing Soda is the perfect multipurpose cleaner Also called soda ash and sodium carbonate Hypoallergenic
Pure Original Ingredients Natural Washing Soda (1 lb.), Eco-Friendly Packaging, Multi-Purpose Cleaner, Water Softener, Stain-Remover