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Hello! I'm wanting to replace the water in my above ground pool. Is it safe to drain the pool and then refill or do I need to fill as I drain. I have a very high CYA and am trying to lower it. Thanks.

Hello! I'm getting an early start on opening my pool. I tested the water this evening (pump is not hooked up yet) and these are the results: FC 1.5 CC 0 pH 7.2 Alk 50 CYA 50 I use the test kit recommended by this site. My question is, do I want to fix the pH first by adding soda ash and hope...

I have a 26,000 gallon above ground pool in southeastern Indiana. When I opened the pool it was green but now it is crystal clear and the pH and alkalinity are balanced. After clearing up the water I rechecked the CYA level and it was 80. (I have not added any conditioner to it yet this year).My...

I recently got on this site to learn how to get rid of mustard algae. It worked! Thanks! I have read most of the information on this site and just want to clarify...the only reason to shock the pool is if you have algae or high CC? Meaning, if you keep your FC at the recommended level for you...