My pool is 32 years old, gunite with white plaster, 24000 gallons. Heyward 1 hp pump with EC 75 DE filter. I can't get rid of the greenish tint to the color of the water. I tried a metal out product, I tried Jack's Blue treatment. Still can't get it blue. My test said I had .5 copper in my water. Any suggestions?
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- Last Post 10 May 2021