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Thread: Creek Water and Metal

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    Creek Water and Metal

    Happy Pool Season! So I just had the liner in my 20x40 inground pool replaced this week. To save myself $1800 from having the water trucked in I used the creek that runs through my backyard to fill the pool. I would like to treat the water for metal first to avoid any problems since I know my well water has high iron content so I am assuming the creek does to. I looked at Natural Chemistry Metal out but my question is do I put that in first and then run the filter with just that for awhile? If so how long.

    Also I have no stabilizer in the pool so should I add that first before I start to shock? Would using powder shock be a better choice because it has stabilizer in it? I have never started from scratch before. All help welcome! Thanks!
    Cleveland, Ohio
    IG 36,000 gallons. Vinyl Liner, Hayward ProGrid 3620 DE Filter, Hayward Super Pump, Hayward Gas Heater

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    frustratedpoolmom's Avatar
    Join Date
    May 2007
    SWSuburban Chicago, IL

    Re: Creek Water and Metal

    First I would go to a pool store and have them test for metal first - before spending money on sequesterants. Metal out doesn't actually take it "out" it just keeps it "in suspension" so it doesn't deposit on your pool surfaces. Some theorize that it is eventually filtered out but I'm skeptical.

    Always add all chemicals with the filter running. Pour them slowly in front of the return flow. If granular, predissolving is best.

    To "start from scratch" first you need a full set of test results (because you may need to adjust PH/TA first.

    Then the order is FC, followed by or along side, CYA. You can use Dichlor (read the label to see if the granular is actually Dichlor) because it has CYA, but it may not have enough to get you where you need to be. Adding CYA/stabilizer independently for a pool your size is usually the most cost efficient, as Dichlor can be pricey.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    Perfectly Clear Pool Service, Find me on Facebook!

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    In the Industry

    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Creek Water and Metal

    Yeah, get it tested first. Iron in well water is common. In surface water like your creek not so much.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Creek Water and Metal

    Thanks. I wasnt actually sure if pool store could test for metals or if I would have to go to a well water place. I will take a sample in tomorrow and get started.
    Cleveland, Ohio
    IG 36,000 gallons. Vinyl Liner, Hayward ProGrid 3620 DE Filter, Hayward Super Pump, Hayward Gas Heater

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