I need some advice on CYA. do I REALLY need cya if I live in Indiana and have an auto cover? we have 0 CYA right now. I added the appropriate about of bleach yesterday (7- 96 oz bottles) to get the FC to a shock of 10 ppm. It held overnight. It was overcast until noon, then the sun came up and we swam the rest of the day and NO ONE peed in the pool. My 4 year old did confess to peeing on the dog Tonight at 7:30, I tested again and there is no free chlorine. Can the sun dissipate it that fast? I'm going to get some stabilizer tonight. can I get it at walmart? is there something special I should be looking for?
Thanks a million for making my pool so easy and my family so happy!