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Thread: Lowering Ph

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    Join Date
    Jun 2007
    Location
    SE Louisiana
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    18

    Lowering Ph

    ok... so I have a 2 month old intex blue pool that holds app. 5000 gallons and a pitiful little pump. I recently had an algea bloom which I shock killed with bleach. Now, my water is clean (not green) , but cloudy. I have read that this can be caused by high ph or dead algea or both. I checked my pH and it was high, I don't remember the actual number, but it was over 8. So I bought pH minus and stabilizer. What I am wanting to know is this: Does stabilizer lower pH as well? Should I use them together or what?
    5K gal QS AG soft blue pool, 1500 gph pump

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    37,879
    Stabalizer will lower PH, though not nearly as much as PH down will. You can use them together, just put in 30-40% less PH down than you think you need. Wait till tomorrow and recheck the PH.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Join Date
    Jun 2007
    Location
    SE Louisiana
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    18
    great.. thanks... what should my chlorine levels be at to add stabalizer?
    5K gal QS AG soft blue pool, 1500 gph pump

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    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
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    37,879
    Chlorine levels don't mater for adding stabalizer or adjusting PH. You want to try and keep your chlorine levels stable at a level based on Ben's best guess chart, see the link in my signature. This may be difficult to do while your stabalizer is low, just be sure to add chlorine at least once a day in the evening.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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