Quote Originally Posted by markphin View Post
Janet,
I have a leslie's test kit. I think it just tests for CC. which was about 1.0 this AM. I usually take for test for FC to pool store.
CC will be the combined chlorine--if yours is truly 1.0, then you have something that's using up the chlorine in your pool, and you need to continue to hold your shock level to get rid of it. Most kits that only test for one thing test for TC.

Janet