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Thread: New Owner- Trying to get Chemisty in Line

  1. Back To Top    #1

    Join Date
    Apr 2015
    Location
    South Central PA
    Posts
    296

    New Owner- Trying to get Chemisty in Line

    Hi,
    I just had my pool opened at the house we bought in November. The pool is about 20k gallons, vinyl liner, DE Filter. I had the local pool company open it for me this time so I could see what goes where. The pool was closed in August, but they thought it looked pretty good considering the early close. I've been running the system on recirculate for a few days to catch all the worms, etc. I'm getting ready to turn it to filter. I did some tests yesterday and got: pH=6.8, TA=60, FC=Not much (0.5 maybe), CYA- measure this evening....I believe they shocked it with 25 lbs of powder. There are currently 3" tablets in an automatic chlorinator fully opened. I'm planning to transition to TFP method, but I'm trying to get things straight for now. I know TA needs adjusted before pH, is there any other importance to order of adjustment? Should I use some bleach to get the FC up to a reasonable level? I bought the TF100 test kit, so I can do many tests, just not sure where to go from here....Any help is appreciated.

  2. Back To Top    #2

    Join Date
    Jun 2011
    Location
    Long Beach, CA
    Posts
    2,669

    Re: New Owner- Trying to get Chemisty in Line

    The first thing needed is to raise the pH into the 7's, I suggest using Borax for this, see this link, Recommended Pool Chemicals. This will also raise the TA a bit, but the TA is not too bad if you are switching to using bleach.

    We need to know the CYA so you know how much to raise the FC to. For now put two gallons of bleach in.
    16k gal plaster with raised spa, Jandy DEV60 filter, 2 HP 2-speed SHPF Jandy Stealth pump
    Hayward Aqua Rite T-15 SWCG, Jandy LXi 400k BTU NG heater, 350 sq.ft. of Sun Star solar panels, TF-100 Test Kit, Dolphin s300i Cleaner
    Test Kits . Pool Math . Chlorine/CYA Chart . The SLAM Process

  3. Back To Top    #3

    Join Date
    Apr 2015
    Location
    South Central PA
    Posts
    296

    Re: New Owner- Trying to get Chemisty in Line

    Thanks! I'll add the bleach and borax and check the CYA

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