Quote Originally Posted by mbar
Often, when you have very high chlorine levels it gives a false reading for ph. And if she added 4 gals of bleach in a 7,600 gal pool, then the chlorine was really high when she tested for ph. You can really do a lot of damage to a liner when you unintentionally take the ph below 7, and have the chlorine very high.
Hi, If you were referring to my post's suggestion about lowering pH it was supposed to mean test and adjust your pH prior to adding chlorine. Since the chlorine had already been added it was moot.
Jo