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Thread: Changed sand, now stuff floating on surface. Normal?

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    SinistrV6's Avatar
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    Sep 2008
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    Mississippi Gulf Coast
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    Changed sand, now stuff floating on surface. Normal?

    Changed sand in my filter yesterday and this morning I have what can best be described as "dust" on the surface. Is this from the sand change? Something else? I added algeacide yesterday too but saw no foaming, also added salt today right before this stuff appeared.
    42X16X24 True-L vinyl lined IG pool
    30,500 gallons
    Pool Pilot Digital SWG
    Sand filter

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    Re: Changed sand, now stuff floating on surface. Normal?

    Did you backwash the new sand for 10 minutes after adding it and before running the pool on filter? If not, that could be something from the sand.
    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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    SinistrV6's Avatar
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    Sep 2008
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    Mississippi Gulf Coast
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    Re: Changed sand, now stuff floating on surface. Normal?

    Quote Originally Posted by JasonLion
    Did you backwash the new sand for 10 minutes after adding it and before running the pool on filter? If not, that could be something from the sand.
    No I didn't do that. Didn't know I was supposed to. It's not a big issue. The whole crew us in the pool right now so you can't see it. I'll look again in the morning.
    42X16X24 True-L vinyl lined IG pool
    30,500 gallons
    Pool Pilot Digital SWG
    Sand filter

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    Re: Changed sand, now stuff floating on surface. Normal?

    Yea, it shouldn't be a big deal.
    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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