zero fc

  1. E

    Zero Chlorine after Multiple Shocks

    New pool owners, so I’m sure we messed up along the way, but let me tell you the series of events to get us where we are today: * Low salt pool ~ 75000L in ground w/ liner 1. Did weekly at home tests (levels more or less seemed fine) 2. Took water in for pool store testing every few weeks and...