Hi! I have had a 5,000 gal pool wth a Hayward sand filter for several years. I used walmart's pool chemicals for a while & in the last few years, a pool expert. However, I only remember having crystal clear water one of the 13 years we've had the pool. It appears clean but cloudy. I have a hard time keeping a chlorine reading. I fill it fresh each year wth well water. I do know that our water has a high metal content & phosphates. It always reacts to the first shock by turning brown. I then treat wth a stain & metal remover that gets it blue again, but remains cloudy. Like most others, I've spent a lot of $$ following pool store advice. I would love to switch to the BBB way. How do I start? How much clorox, etc?
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