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Thread: Raise PH level with Borax

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    Join Date
    Jun 2015
    Arlington, WA

    Raise PH level with Borax

    Hello again, I bought my 20 mule Borax and now I just need to know how to use it to raise my PH level in my 15' by 36" above ground pool! I shocked it and now my chlorine is steady between 2-3 ppm but my PH seems to be lowering daily. Last night is was about a 6.8 or lower (my test kit only reads 6.8 or above) Can you all help me with the borax treatment? I don't have a Skimmer. ..not even sure what that is! I have just the filter system that cane with the pool, and on the top is where I put the 1 in chlorine tabs. Thanks so much!

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    TFP Guide
    pabeader's Avatar
    Join Date
    May 2015
    Dallas Ga

    Re: Raise PH level with Borax

    We are going to need pictures of the equipment and the pool if at all possible.
    Bob - Palm Beach by San Juan Pools. approx 5000 gals Pentair 320 cartridge filter (all new guts installed by me) Goldline SWG Intermec 104 TImer Test kit K-2006-C

  3. Back To Top    #3
    swoopman's Avatar
    Join Date
    Jul 2014
    Annapolis, MD

    Re: Raise PH level with Borax

    This page from Pool School will tell you how to use the Borax (scroll down to Raising pH):
    Pool School - Recommended Pool Chemicals

    Plug all your numbers into Pool Math (your TA level affects pH) and then you can figure how much you need:

    It would be really helpful if you could update your info with your state and your pool info in your signature. Recommendations about chemical levels will be very different whether you're in Arlington, VA or Arlington, TX or some other Arlington. Here's how:
    Pool School - Read This BEFORE You Post

    The tabs are what are causing your pH to drop and the tabs and the "shock" can cause an even bigger problem by adding too much CYA/stabilizer. See here and there is lots on the site that talks about the problems caused by using tabs and shock:
    Pool School - How to Chlorinate Your Pool

    Check out this page that has pics of equipment including skimmers:
    Pool School - Visual Encyclopedia of Pool Equipment

    At the top of every page on the site is a link to Pool School. It's a great resource.

    And a good test kit is a necessity, preferably the TF-100:
    TF-100 Test Kit
    22,000 gallon, 20x40 kidney-shape IG plaster pool built in 1986
    Nautilus NS-36 DE filter, Hayward Self Prime Super Pump 1HP
    Polaris Automatic Pool Cleaner, PB4-60 3/4 HP pump

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