400 cya

[atkinson40]

You WILL need accurate test results -- see the test kit info page in my signature -- and I wouldn't trust the results you got from your pool store. Your actually CYA level may be 100ppm (no big deal) rather than 400pmm.

I have an in ground pool. Around 36000 gallons. My dealer diluted the water twice and still got a reading over 100ppm. The pool was drained once before when it was resurfaced about 10 years ago and didn't float. I'd prefer anything except draining if I could. Nobody uses our pool if that helps. Thanks kevin