Quote Originally Posted by chem geek
I thought that the Bleach Calculator only calculated how much Borax to use to raise the borate concentration to a certain amount, mostly to use to prevent algae. The last time I looked, the calculator did not figure out how much to add to change the pH by a certain amount nor the other way around.

Richard
You are right. I was trying to remember the pH module without actually launching the program. The module will show you how much Sodium Carbonbate (Soda Ash) to add in order to raise the pH 0.2 ppm. I thought it showed how much Borax. Sorry for the confusion.