The chlorine pucks are made of:
calcium hypochlorite 47.6%
other ingredients 52.4%

last night when i talked to my husband from work around 730pm, he said the pool water was the worst it has ever been. i looked at it this morning and he was right. so dark that i can't even see bottom. this has never happened to me before where it has gotten worse. We are changing the filter cartridges constantly. Do you think i should just just go buy that sand filter?