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  1. M

    Chlorine levels go down close to zero overnight.

    Hello! These are the test results from my most recent visit to the pool supply store 5 days ago. The water sample was from the morning, pump and chlorinator hadn't run since 6PM the day before: TC 0.5 PPM FC 0.5 PPM CC 0.00 PPM pH 7.8 Total Alkalinity 90 PPM Calcium Hardness 500 PPM Stabilizer...
  2. M

    Battery stain

    My son was playing with one of those infernal "swim" toys that require a battery. He opened it up and his younger brother took the battery and threw it in to the pool. By the time I discovered what had happened and found the battery (at the bottom) the battery had created a stain on the bottom...