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My pool looks great however the CH I tested was pretty high. The pool is perfectly sparkling clear blue with no issues except for high CH and CYA. Test results for my 20k plaster pool with SWCG, 1.5 hp pump, and cartridge filter. FC: 10 CC: 0 pH: 7.6 TA: 120 CH: 900 CYA: 110 Salt: 3400 City...