Quote Originally Posted by karrde97
My bad. I was thinking 1qt = 6ppm. I must have put in more than 1qt last week to get it to shoot up so high. I was waiting for the Cl to drop but we some dark days and then it drop like a rock on the sunny day. Now I'm trying to get it back up. I just miscalculated a little.

When you say shock, bring the Cl up to 10-15ppm range?
OK, that's more like it. Sorry I didn't read your correction before I sent my response. Never mind about the chlorine test kit question.