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Re: Turning Your Green Swamp Back into a Sparking Oasis Dave- thanks for your interest. Hardness 250 Tot chl 8+ Still high from super chlorinating Free chl 10+ PH 7.2 CYA 70 Current water temperature is @ 45' - had ice on the surface this am. Pool= 20X40 Vinyl, 28,000...

I followed the advice to clean up a REALLY green pool, although I had to use the dilution method of checking my chlorine level. I also had to drain the pool around 2/3s to get the CYA level low enough to make the chlorine work. It still took a huge amount of chlorine and several weeks, but the...