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Thread: New Pool Water

  1. Back To Top    #1

    Join Date
    Aug 2014
    Location
    Manchaca. TX
    Posts
    2

    New Pool Water

    New to TFPC. My pool is 20 years old, and after 20 years of using tabs and powder with stabilizer, the CYA and CH levels in the water were off the chart! Could not control mustard algae, and finally bit the bullet and had the pool drained and scrubbed with bleach by a local pool company. Did not want to fill from my well, as we are in a drought situation, so had water trucked in from a local bulk water distributer.

    I took a sample of the new water to the pool store (Leslie’s) for testing, and followed their recommendations for amounts of baking soda, calcium hardness increaser, and CYA to add to reach a good starting point. Now, no more pool store chemicals for me! I will be following the TFPC method from now on. I used the Pool Math calculator and the chlorine/CYA chart and added the recommended amount of bleach.

    The water looks and feels great. Latest test results are as follows:
    FC 2
    pH 7.8
    TA 80
    CH 200
    CYA 30

    My first question is: how often do I need to add bleach (daily?) and how much bleach do I need to add to maintain the proper FC level? Any other recommendations would be greatly appreciated.

    Some other general info that might be pertinent: We normally have very hot summers here in central Texas. It has been milder than usual this summer in the greater Austin area, with no 100 degree days until August. My pool is shaded by large trees from hot late afternoon sun.
    16,000 gal, IG gunite/plaster, Nautilus NS48 DE filter, Pac-fab Challenger 1˝ HP pump, build date 1994, Poolmaster 5-way test kit and testing at local pool store (Leslie’s), Polaris 380 cleaner

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Location
    Tucson, AZ
    Posts
    37,389

    Re: New Pool Water

    Welcome to TFP!!!

    Thanks for filling out your location and signature

    It is normal to have to add bleach daily. You need to add enough so that it does not drop below the minimum for your CYA level. Unfortunately, your FC is too low right now according to the FC/CYA Chart.

    I highly recommend you get one of the Recommended Test Kits the chlorine test in the Poolmaster is not going to cut it and pool store testing is horrendous.

    How much Pool School have you read? Start with these:
    ABCs of Water Chemistry
    Recommended Pool Chemicals
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

  3. Back To Top    #3

    Join Date
    Aug 2014
    Location
    Manchaca. TX
    Posts
    2

    Re: New Pool Water

    Thanks for your recommendations. I have read the suggested and other areas of the site and will order the TF100 test kit. It appears to be the best option for me.
    16,000 gal, IG gunite/plaster, Nautilus NS48 DE filter, Pac-fab Challenger 1˝ HP pump, build date 1994, Poolmaster 5-way test kit and testing at local pool store (Leslie’s), Polaris 380 cleaner

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