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Thread: How to distinguish dirt from DE in the pool...

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    How to distinguish dirt from DE in the pool...

    I might just be paranoid but I am wondering....if i were getting DE in the pool, how could i differentiate it from plain old dirt or sand? With the filter off and looking at the debris in the bottom it almost resembled DE, then again maybe it resembled dirty sand?
    10,000 gallon
    Viking Freeform Fiberglass Inground Pool. FNS Plus DE Filter Pentair Challenger .75hp pump


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    Join Date
    Mar 2007
    Coastalish 'down easter'

    Re: How to distinguish dirt from DE in the pool...

    I always just get a pinch of it between my thumb and forefinger - sand is gritty and dirt is brown, if it's white and ~'silky', it might be DE.

    You might try putting a kneehigh stocking over one of the returns, while the pump is running, to see if it's stuff from the filter

    I'd say it's probably just some debris that's been blown into the pool... but it might be the filter's way of telling you 'it's time to break me apart and check me'
    Luv& Luk

    Having done construction and service for 4 pool companies in 4 states starting in 1988, what I know about pools could fill a couple of books - what I don't know could fill a couple of libraries :-D

    POOL SCHOOL, TF Testkits, Jason's Pool Calculator, CYA vs. cl chart, (Just a few DARNED handy links!)

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