Soda ash is a mild alkali that promotes the chemical reaction between Procion MX fiber reactive dye and cellulose fiber. Soda ash is also known as sodium carbonate, washing soda, or sal soda. One pound of soda ash is required to activate and "set" Procion dye for approximately 15 T-shirts.
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Do I put the soda ash dye fixer in the hot water along with the dye at the same time - in a washing machine?- Asked by george overlock on 16-Feb-13
Soda Ash is necessary to activate and set Procion MX dye. For tie dye (pre-soak method): Use one cup per gallon of warm water. Soak fabric in mixture for 20 min. Squeeze/wring out excess solution by hand. Do not rinse out. For immersion dyeing cellulose fibers: Use 1/4 to 1/3 cup per 3 gallons of water. Add to dye bath per instructions. For dyeing cellulose fibers in washing machine: Use 2-3 cups per load. Dissolve in 1 quart hot water. Gradually add to dye bath in washer per instructions.- Answered by MisterArt on 21-Feb-13
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