This is pure Sodium Carbonate. It is used in making a Natural Indigo Fermentation Vat, and also for changing the pH of other dye vats to change the
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Soda Ash - Sodium Carbonate - Washing Soda - Soda Glass - Soda Ash Fixer, Fiber reactive dyes used on cellulose fibers needs to be fixed to the
Soda Ash - Sodium Carbonate - Washing Soda - Soda Glass - Soda Ash Fixer - Mordant - Natural Dye - 2 oz
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