Posted by John (in NH) [66.30.80.118] on Tuesday, November 10, 2009 at 16:08:21 :
In Reply to: Looking for Arm & Hammer washing soda posted by Jay Thompson [96.10.186.99] on Tuesday, November 10, 2009 at 15:29:35 :
The same chemical, sodium carbonate, is sold at pool and spa stores where it's much easier to find. It's used to raise the pH in water. Some call it "pH Rise."
HTH.
John
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