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Thread: Sand Filter Size for Pool or Pump

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    Join Date
    Jun 2013
    Location
    East TN
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    309

    Sand Filter Size for Pool or Pump

    Is a Hayward S180T Pro Series (I think 18") sand filter big enough for a 24' round (14,500 gallon) AB pool and a 1 HP Hayward Powerflo LX Econo pump? My neighbor has this combo.
    18,000 Gallon Aboveground. Sand Filter with 2HP 2 speed Pump.

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    37,879

    Re: Sand Filter Size for Pool or Pump

    Big enough? Yea, kind of. But still quite a bit smaller than we would recommend. I would go with a 27" sand filter and a two speed pump. Larger filters mean you can go longer between backwashing, which means less water wasted, and an overall more efficient system. A two speed pump can save 50% off your electric bill in most situations.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Join Date
    Jun 2013
    Location
    East TN
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    309

    Re: Sand Filter Size for Pool or Pump

    Ok thanks. They are selling their other place and thats where the pool is. I am helping with opening the pool from a swamp so they can sell it. They already replaced the original pump with a used one and it ran about 15 minutes and quit working and they had to buy a new one. They are not wanting to spend more money on it than needed. I think maybe the dead algae has clumped up the sand or channeled because it seems to not be filtering good at all. Its aqua blue water with grey floaties with a visability of about 2'. We are going to take off the muliport valve and check the sand tomorrow.
    18,000 Gallon Aboveground. Sand Filter with 2HP 2 speed Pump.

  4. Back To Top    #4

    Join Date
    May 2014
    Location
    Mount Airy, MD
    Posts
    11

    Re: Sand Filter Size for Pool or Pump

    I wouldn't think a larger filter would save that much on water. You are just going to be using larger volumes of water at once, instead of splitting it up.
    You might save a little water. I do like the idea of not having to backwash as often, tho.

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