Thanks, Watermom. PB finally came by tonight for my Pool 101 course. He actually suggested I bump up my TA to around 120. He is going to supply me with a season's worth of chemicals for free, because we have had so many problems with leaks and stuff (still working on that!) He suggested using Cal Hypo for shock, the chlorine sticks (sorry, I didn't get the name of them, but I know they have the CYA in them, and they go in an automatic chlorinator) for basic chlorine, and baking soda to raise TA. He says that around here our water is slightly acidic, so it's possible we may be adding baking soda a good bit.

I'll up the chlorinator a bit, and retest in a few days, to see if I can get my CL level up. He said I probably wouldn't need to test for CYA much, but from what I've read here, my CYA level will determine what my CL level needs to be, so I'll be checking that anyway.

Thanks so much for you help!

Judy