TULIP-Soda Ash. Use soda ash to prepare fabric for tie-dying. Use with natural fibers such as 100% cotton and silk. Each box contains enough Soda Ash to make two one-gallon batches of soda ash fixer and can be covered; stored and reused. This package contains 4.5oz/129.2g of soda ash and two gloves. Contents conform to ASTM D4236. Imported.