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Hi, opened a week ago, was darker green now been bright green with no change Facts: 25,000 gallon, in-ground concrete w/ Hayward s244T Hayward Sand Filter. Filter 4-5 years old, new motor- 1 yr old Levels now: FAC 5.0, TAC 5.0, CH 180, CYA 80, TA 90, PH 7.8 copper & iron 0 total dissolve...