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Thread: Refill water with high manganese, something I learned.

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    HuskerFan_1's Avatar
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    Apr 2012
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    Refill water with high manganese, something I learned.

    A little history, my pool has a leak thought I found it but only slowed it a little, another topic. Still looking. So I have been adding quite a little water to top the pool off. Anyone with water high in iron or manganese probably knows when they refill the water turns brown for a while after refilling, that's what mine does anyway. It takes about a day to clear up and back to normal.

    Here is what I have tried and so far it has worked for the last three or four times I've refilled the pool. I stick the hose in the skimmer and let it refill. Pool has not turned nasty brown after multiple refills like it did when just sticking the hose into the pool. I'm guessing the refill water is being sucked into the return line and the filter is cleaning up the refill water before returning it to the pool.

    Can it happen that quick in the return line? Previously when I stuck the hose in the pool it was pretty quick to turn brown in the pool. Then it took a long time to turn the water over and filter it out.

    Anyway it seems to work for me, just curious if any else has done this with good results?
    20'x40' inground, vinyl 38,000 gal. Auto Cover. Sand filter 300#. 1 1/2 hp pump. Pentair master temp 250 heater. Circupool Si60 chorine generator. TF-100 test kit. Borates--life is good😎.

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    JasonLion's Avatar
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    Re: Refill water with high manganese, something I learned.

    You probably have metal dust in your fill water, rather than dissolved metals. The filter is able to filter out the dust before it gets into the pool.
    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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    HuskerFan_1's Avatar
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    Re: Refill water with high manganese, something I learned.

    So in this situation a metal chelation product is not necessary? I know I have asked about metal control products before, but I'm still learning with ways to cope with my water.

    Hopefully someone will find this trick as useful as I have.
    20'x40' inground, vinyl 38,000 gal. Auto Cover. Sand filter 300#. 1 1/2 hp pump. Pentair master temp 250 heater. Circupool Si60 chorine generator. TF-100 test kit. Borates--life is good😎.

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