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So how do I know when it is time to clean (take apart and Clean) my DE filter? I have backwashed a few times since I moved in. I have also been dealing with cloudy water in the pool. CYA was high so I did a partial drain and refill, about 1/3. Other numbers look good. Added about 6 LBS of DE to...

I am a former shop teacher turned youth minister renting a house with a pool and trying not to go broke. Found this site while trying to trouble shoot the pool. Using HUGE amounts of Chlorine for 27K gal. Got some numbers from the local pool store that show the CYA to be about 120 Yes 120. Going...