ivyleager said:2 - I used tablets after opening because my CYA was a bit low at 20ppm. When it went up to 50 (where my pool likes it to be), then I switched to bleach.
ivyleaguer----you state that your pool likes the CYA at 50--can you elaborate/explain what that means to a newbie like me? How did you learn that your pool likes CYA at 50?
thanks