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Thread: Switching to Cartridge Filter

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    Switching to Cartridge Filter

    It has become necessary to replace my sand filter system on my 24' above ground pool. I am considering switching to a cartridge system and would appreciate recommendations on which brands may be best. From what I have researched so far, I will be using a 120 sf filter. Thanks.
    Intex 15x42 metal frame pool, 3,800 gallon capacity; 1,500 gph pump
    V-Trap vacuum system

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    Mod Squad jblizzle's Avatar
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    Re: Switching to Cartridge Filter

    How deep is your pool?

    The recommendations I have seen here are at least 15 sqft / 1000 gallons. So if you are 3' deep you would want at least 150sqft, but if you are 4' you would want at least 200sqft.
    Jason, TFP Moderator
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    Re: Switching to Cartridge Filter

    My pool is 4' deep and holds 13,500 gallons.
    Intex 15x42 metal frame pool, 3,800 gallon capacity; 1,500 gph pump
    V-Trap vacuum system

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    Mod Squad jblizzle's Avatar
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    Re: Switching to Cartridge Filter

    Are there specific reasons you no longer want the sand? Wondering if it was maybe undersized and thus your desire to switch.

    A quote from Linen in another thread for the same size pool:
    Our recommended minimums would be 200 sq. ft. cartridge, 2.5 sq. ft. sand, or 38 sq. ft. DE (this is prefered by some...others would say you could get by with 19 sq. ft. DE filter).
    first-time-ag-pool-owner-questions-about-filtration-needs-t48355.html
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

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    Re: Switching to Cartridge Filter

    Actually, I have been satisfied with a sand filter; however, I am of the impression after reading information on this site that a cartridge filter is preferred. Perhaps I'm reading more into the information in Pool School and other threads here.
    Intex 15x42 metal frame pool, 3,800 gallon capacity; 1,500 gph pump
    V-Trap vacuum system

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    duraleigh's Avatar
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    Re: Switching to Cartridge Filter

    There is no preferred type of filter on the forum. The large majority of people like the type they already own indicating all three types are pretty effective.

    Don't switch filter types just to be switching.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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