ph level of soda ash
  • does any one know the ph level on soda ash. i am trying to buy it from a pool supply store and it is not sold as soda ash but as "soduim bicarbonate. they have diffrent strengths there so i'm not sure which to get..
  • Don't confuse sodium bicarbonate (baking soda) with sodium carbonate (soda ash or washing soda). They are completely different. Sodium bicarbonate will give you a pH of only around 8. Sodium carbonate will give you a pH around 10 or 11, which is what you need for using Procion MX dye on cotton and other plant fibers.

    Most swimming pool suppliers do sell sodium carbonate, but I too once had one try to substitute bicarbonate for what I wanted. Don't let them sell you the wrong thing. Look at the fine print near the bottom of the front label.

    See What is soda ash, and what's it used for in dyeing?.

  • I am not sure of the strenght as I am not home to see it, BUT I bought it from Home Depot- very inexpensive and it works great!