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  1. J

    CH and pool heater opinions

    SO I have a vinyl lined pool and just this past week added a Hayward 200k BTU Heater. I did the heater installation myself, so I voided the warranty and I am ok with that. Since I have already voided warranty, and I have a vinyl liner, is there any need to worry about CH at this point? Reading...
  2. J

    Best place to buy calcium chloride?

    I looked at walmart and the hardware places and all I can find is 4 pound bags at walmart for $11. I need 23 pounds so it seems like I should buy a 50 lb bag or so. Anyone have a good source for bulk at a great price?
  3. J

    First Time Testing - Salt Question

    So I opened up the pool about 6 weeks ago and it has been crystal clear. We haven't been swimming due to the weather, but I decided today that I would become familiar with the TF-100 test kit. Here are my numbers: pH 7.8 TA 100 FC 15 CC 1 CH 200 CYA full to top and it finally disappeared Salt...
  4. J

    Lights in pool

    Hello, We moved into this house 5 years ago. 20k gallon liner pool. Not sure how old the liner is. There were two lights below the water line that I can see, which were covered over when they installed the liner the last time. I think they are 6 to 8 inches in diameter. My wife is begging me to...