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  1. Y

    CYA for oversized cell

    By manufacturer i meant the producers of the cya. they state from 20-50 ppm... also mknauss, you state: right before the SWCG turns on for the day... Does this mean that your swcg runs on a timer?
  2. Y

    CYA for oversized cell

    Well I just dont want to shoot myself in the foot if I ever have to shock it.Plus I think it might be safer to be as close as possible to the manufacturer recommendations if i can. For example I know many recommend borax but here in canada there is now a public health warning against it so if i...
  3. Y

    CYA for oversized cell

    From reading the stickys, I read for SWCG that the recommended CYA is 80. I also read somewhere that this is to help the SWCG keep up. I have a 12k gal pool that was originally on a hayward t9 cell.When it died, the store sold me for the same price a t15 because they were out of t9s. They said...