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Thread: Filter Micron Level Recomendation request

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    H2O_Keeper's Avatar
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    Filter Micron Level Recomendation request

    I am looking to buy a cartridge filter system for my pool. I have an opportunity to get a used industrial grade unit that meets my GPM and is over my cartridge area needs pretty cheap. My question is if anyone has any experience with either the technical specs of the micron level in the official pool cartridge filters. I know the pool school article says down to "10" but is that for most? I have searched over the net trying to find the details and nowhere to be found.

    More specifically If I buy this unit I was considering to buy a 5 micron (absolute rating) since DE is suppose to filter down to three. I am assuming it wont get clogged too quickly. The unknown is if will be 3 months or 3 days. Anyone tried a 5 or have more insight of levels?
    21K Gal, IG, Vinyl, Bleach-Borax-Baking Soda, 3/4HP Hayward pump, Hayward sand filter, 200,000BTU Heater, TF100 Testkit
    "All that we are arises with our thoughts." - Buddha
    “When fate hands you a lemon, make lemonade.” - Dale Carnegie

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    poolsupplysales's Avatar
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    Re: Filter Micron Level Recomendation request

    5 micron is correct for a DE filter and if you get the correct size for your pool you will need to clean it twice per year. 48 sq ft DE filter for 20'000 gallons

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    duraleigh's Avatar
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    Re: Filter Micron Level Recomendation request

    The management of your pool water chemistry dwarfs ANY consideration of micron size. In a properly managed pool, A sand, DE, or cartridge filer will keep the water so crystal clear it will be difficult to detect it is there on a still day.

    I know that's not what you asked but I assumed your inquiry is related to water clarity.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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