Quote Originally Posted by jereece
The MSDS for 5.25% bleach says the pH is 11.4.
Well, if the 5.25% means the weight percentage of sodium hypochlorite then the natural pH would be 10.5 and the amount of base added to make it more stable (if any) is much less than what is in 12.5% liquid chlorine. So that isn't what is going on. Too bad since that would have been an easy answer.

Richard