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  1. M

    CYA level advice needed

    I have an outdoor above ground style vinyl pool located inside of a greenhouse structure. The greenhouse roof is 6 mil poly with UV stabilizer in it. The ends are screened with black nylon window screen, the ease end very treed and the west end near the house. This results in very little direct...
  2. M

    Cl level sanity check please

    We have a 17,000 liter above ground vinyl lined pool, located inside of a 'green house' to keep the bugs off us. This year I switched to Borax, 12% liquid Cl, and muriatic acid. Came back from a 5 day trip to a green pool. Took a sample into the local Surfside pool place to double check the...