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Thread: Propper filter sizing

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    rrc1962's Avatar
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    Jun 2010
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    Propper filter sizing

    I'm curious about this. Our free pool came with a 150lb sand filter. Instead of using it I found a deal on a Hayward C1250 canister and went that way instead. It is 120 sq/ft and the pool is 24' x 52". It seems to work great. Good flow and I only need to clean it every 2 or 3 weeks. I use a filter sock and change it every morning.

    Technically speaking, is this filter about right for a 24' pool?
    ----------------------------------
    24' Above Ground
    1.5HP Waterway Pump
    Hayward 120sq/ft Canister Filter
    Soon to be abandoned AquaSmart system in favor of the BBB system.

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    duraleigh's Avatar
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    Re: Propper filter sizing

    Good flow and I only need to clean it every 2 or 3 weeks.
    Not technical, but that answers your question pretty well.....I'd say you have a good match.

    If you want a really technical answer, find how much gpm your pump produces in that pool from the manufacturer. Then find out how much gpm the filter is rated for. If the filter rating is a little (or a lot) greater than the pump gpm, you have a great match.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Mod Squad Bama Rambler's Avatar
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    Re: Propper filter sizing

    listen to Dave.


    Psst, take a look at the size of his filter
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    rrc1962's Avatar
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    Re: Propper filter sizing

    Thanks. I figured I was in the ballpark. The pump rating sand filter rating are about the same. I think the pump might be 3 or 4 GPH more, which I didn't figure would be a problem.
    ----------------------------------
    24' Above Ground
    1.5HP Waterway Pump
    Hayward 120sq/ft Canister Filter
    Soon to be abandoned AquaSmart system in favor of the BBB system.

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