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Thread: Experimenting with Calcium Reducer

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    coog61's Avatar
    Join Date
    Nov 2009
    Richmond, TX

    Experimenting with Calcium Reducer

    Previously i had posted my struggles with high CH. I drained the pool 40% when CH went to 450 in March and now back at 440! Fill water at 130 ppm.

    Yesterday I added the Lo-Chlor Calcium Reducer. This should bind and solidify the CH so it is filtered out. I had not seen any other posts trying this, so I will report back the results. Should know in 1-2 weeks.
    17,500 Gallon, SWG 33' x 21' freeform w/ Sunstone Cobalt Plaster. Attached 6 X 6 Spa raised 12" w/ 6 Jets with Moss Rock Spillover. 25' Moss Rock Waterfall. Pentair Intelliflo VS-3050 for Pool, 2 HP Whisperflo for Waterfall, Pentair Clean & Clear Cartridge 320, Pentair 400K BTU Max-E-Therm heater, Pentair Intellichor, Pentair EasyTouch 4P, Pentair Legend Platinum Cleaner w/ 3/4 hp pump, autofill system, nat gas fire pit. BBB convert

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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: Experimenting with Calcium Reducer

    Lo-Chlor is a sequestrant. It mostly helps prevent calcium scaling even when CH levels are high. There is a small chance it will cause a little calcium to be filtered out, but that isn't likely.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    Join Date
    Oct 2007
    Valrico, FL

    Re: Experimenting with Calcium Reducer

    I have successfully used water softener resins to reduce CH. If interested, I can post details.
    7,500 gal, IG pool, L shape 22' x 15', 1.5 hp pump, cartridge filter, AquaPlus SWG/Controller, Pebble-Tec liner.

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    Melt In The Sun's Avatar
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    Oct 2009
    Tucson, AZ

    Re: Experimenting with Calcium Reducer

    dschlic, I would be interested to hear about it. I've always wondered about that. Maybe start a new thread?
    11,200 gal, Pebble-Tec; Tristar 2-speed 1hp - Swimclear 325 ft2 cart - SWG - A & A in-floor cleaner - Heat pump. For the poolside cooking, a Yoder Wichita and a Big Steel Keg!
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    Re: Experimenting with Calcium Reducer

    Any theories as to where the CH is coming from?

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    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Experimenting with Calcium Reducer

    Any theories as to where the CH is coming from?
    That's an excellent point. CH should never build that quickly unless you are using Cal-Hypo as the chlorine source.

    Eliminate the excessive source and the problem will go away.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
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