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Thread: White Film on Surface

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    White Film on Surface

    The film is back. I have shocked the pool twice with sufficient bleach to raise the chlorine level to over 20 (by serial dilution with distilled water, OTO test). (My test kit has been ordered). Water is otherwise clear. All other parameters that I can test with the 5 way HTH are OK with the exception of CYA = 80.

    Are there any enzymatic cleaners that might be effective?
    Sacramento CA
    33,000gal, IG, circa 1970, (now) fiberglass over plaster, pac-fab paper cartridge, 1.5hp pump, polaris 280 (inoperable, UV damage) with booster, solar heat (inoperable, leak in powermat), skimmer (inoperable, line clogged & possibly fractured under concrete), main drain inoperable (long standing problem), jury rigged deep intake, skimmer line work-around in progress.

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    Richard320's Avatar
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    Jan 2010
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    San Dimas, CA (LA County)
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    Re: White Film on Surface

    Are you sure it's not just pollen? Are there any big fires nearby dropping ash everywhere? Go look at the car, the patio furniture, and the windowsills and see if they're coated with anything similar.

    Another possibility is that it's cheap algaecide foaming up. Chlorine will eliminate it. Just be patient.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: White Film on Surface

    No it is not pollen or ash. It is oily or wax like. There has been no suntan lotion or other oils introduced into the pool.
    Sacramento CA
    33,000gal, IG, circa 1970, (now) fiberglass over plaster, pac-fab paper cartridge, 1.5hp pump, polaris 280 (inoperable, UV damage) with booster, solar heat (inoperable, leak in powermat), skimmer (inoperable, line clogged & possibly fractured under concrete), main drain inoperable (long standing problem), jury rigged deep intake, skimmer line work-around in progress.

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    Richard320's Avatar
    Join Date
    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: White Film on Surface

    I know there is a product called "Pool First Aid" that contains enzymes that get rid of oils. I have no experience with it personally.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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