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This is what I posted Last year (Oct/Nov 2020 I think). Had copper stains and used PinchAPenney Stop Stains to try to remove. After 11 days ph below 6.5 (maybe lower) got algae bloom. Stains reduced by 50-60%. Was advised to raise TA and PH and then shock pool. Raised TA to 100, PH to 7.2...

Had copper stains and used PinchAPenney Stop Stains to try to remove. After 11 days ph below 6.5 (maybe lower) got algae bloom. Stains reduced by 50-60%. Was advised to raise TA and PH and then shock pool. Raised TA to 100, PH to 7.2. Then was advised to add 5lbs shock. Water turned from...