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Thread: PH always high, tough to get down in SWG

  1. Back To Top    #1

    Join Date
    Jul 2016
    Middletown, DE

    PH always high, tough to get down in SWG

    aving issues with continuously high PH, practically swimming in 1-2 gallons/week! Struggling to get below get below 7.8 and keep it maintained. Read a few threads from here and seem to have a better grasp at least but still want to check. Water clear as can be. Water temp 90 as of today. Fresh test results from this afternoon:
    FC- 3.26
    TC- 3.47
    CC- .21
    pH- 8.0
    Hardness- 135
    TA- 82
    CA- 52
    Borate- 35
    Salt- 3370

    Thoughts are to raise borate to 45ish with 10 lbs Endure, lower pH to 7.8 with gallon of MA, raise CA to 100ish
    Correct order? Proper amounts?
    Is there a "proper" amount of run time for SWG to eliminate the out-gassing I think they called it? Better to run 3-4 short times? or like now 2 times/day, 5 hours each (6am-11, 2-7)?
    Is there a way to run pump for filtration and not run SWG?
    In-ground, 35000 gallons, vinyl, SWG, DE Filter, 7 yrs old
    will fill out other info after I get a chance

  2. Back To Top    #2
    Mod Squad tim5055's Avatar
    Join Date
    May 2014
    Columbia, SC

    Re: PH always high, tough to get down in SWG

    You want to try to get the pH a little more under control if possible. My pool likes the TA in the 50-60 range before pH rise begins to slow down.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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