22 gallons of bleach and I can't get my chlorine above 5

[CarlD]

That's the other side of the coin. Chem_Geek is explaining how too high pH can reduce chlorine's effectiveness.

However, what I was referring to is that when chlorine levels are very high, pH can appear higher than it really is. Chem_Geek's gone into a thorough explanation of this in other threads. That's why chlorine neutralizer is needed then prior to the pH test.

[cscannon]

Got it thanks!