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I started Ascorbic Acid treatment for copper staining yesterday. There hasn't been much change after adding 6 lbs of AA for a 24000 gallon pool. That's more than twice what is recommended, but the pretty sparkly blue staining is pretty much all over the pool. This has developed slowly over time...

I am switching pool close services after some poor service from the last group. I have been letting high CYA drift down with rain and backwashes, and it is now at 65. I am hoping that it will be in range after the refill next spring. Because of the high CYA I keep my FC at about 7.5. If I do a...

I'm new to the site, had pool guys managing my pool until I retired a few years ago. They just added trichlor pucks and algaecide once in while and so that's what I did, just checking with test strips. After several summers of no algae ever, not even using any algaecide, I started to have...