Quote Originally Posted by mwsmith2
Well, I didn't create the formula it uses, that's for sure. It was a huge post on the old forum that outlined the chemistry behind it. There was a discussion about decahydrate vs pentahydrate in there. I wish I would have saved it, but I didn't. I do believe I have the math about here somewhere if I can dig it up.


Michael
probaly the easiest way to check it is to use bleachcalc to get a certain ppm increase and then test with the strips to see if it is in the ballpark.