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People keep telling him green is algae. I used algaecide and super algaecide for two days, it does not have and improvement although my filter cartage is very green in every few hours, and I keep cleaning it. What I don't understand is if the algaecide can kill the algacide, will the dead...

I have a 20,000 gallon above ground pool. I just opened my pool 10 days ago. It was not too bad and I could see the bottom. I vacuum some debris by the hose and filter, after 1 to 2 hours, the whole pool became very green. I think because I did not use any clarifer, so the green thing came in to...