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Thread: Cartridge Filter Sizing and choices

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    Cartridge Filter Sizing and choices

    Researching cartridge filters for my IG pool. Pool is 16 x32 and about 20k gal. 1HP WMC single speed pump, 1 1/2 PVC for plumbing. Current pool filter is a tagelus TA-60 sand. Using Blue Pearl robotic cleaner and BBB method. From all my readings bigger is better, What sizes should I be considering? What brands are the most troublefree- Pentair, Hayward, Jandy Sta-Rite? Given the 1 1/2 piping would I be defeating the purpose of going to a larger filter (over 320 sqft) other then freq. of cleaning? Finally, any hints on vendors with competitive prices?
    Thanks,
    Bob
    IG 16'x32' 20,000 gal vinyl, Williams 1 HP pump, Hayward 325sq.ft cartridge filter, Blue Pearl Cleaner

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    mas985's Avatar
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    Re: Cartridge Filter Sizing and choices

    ANSI/NSF 50 recommendations for a 20k pools is about 160 sq-ft but that would be for a max flow rate of only 58 GPM. To keep cleaning down to a minimum, I would double that to 320 sq-ft. Personally, I have a 420 sq-ft filter for a 20k and glad I do. I leave my pool open all year around but only need to clean the filter once per year.

    As for vendors, I think they are all pretty good. I have a Hayward and am very happy with it.
    Mark
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

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    Re: Cartridge Filter Sizing and choices

    bigger is always better!
    35,000 gal pool
    Pentair whisper flo & Cartridge Filter
    Caretaker 99 in floor
    Suntrek Solar panels
    Las Vegas,NV

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    Re: Cartridge Filter Sizing and choices

    Mark
    Thanks for the info for filter sizing info. Any special reason you went with Hayward?
    Bob
    IG 16'x32' 20,000 gal vinyl, Williams 1 HP pump, Hayward 325sq.ft cartridge filter, Blue Pearl Cleaner

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    susa's Avatar
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    Re: Cartridge Filter Sizing and choices

    all my previous pools always had hayward systems (all the way..) and finally for my last new pool installed all pentair (primarily due to 3yr warranty but also for the excellent VF pump). when I compared hayward to pentair it appeared to me that the parts on the pentair are more rugged and the action to open the filter was far easier than similarly sized hayward. thus, opted to go with a 200sqft cartridge and considering how tall it is, it's quite sufficient for a 15k pool but next time around may opt for the next size larger as they don't grow in height but add to the width.

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    mas985's Avatar
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    Re: Cartridge Filter Sizing and choices

    Quote Originally Posted by Bob H
    Mark
    Thanks for the info for filter sizing info. Any special reason you went with Hayward?
    Bob
    At the time I put the pool in, about 5+ years ago, I liked the feature set on the Hayward controller and SWG plus I got a great package deal with a 3 year warranty. So the filter really wasn't a big factor in my choice.

    There are a lot of folks on this and other forums that don't think highly of Hayward equipment but my experience has been pretty good. I feel the equipment is well made and has held up well to the elements since all of my equipment is outdoors. Plus I never needed to use the warranty either.
    Mark
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

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    Re: Cartridge Filter Sizing and choices

    Susa, Mark,
    Thanks for the info. I will go with either Pentair or Hayward. Just have to search for a good competitive price. I think the 325 sqft cartridge size should work good.
    Thanks
    Bob
    IG 16'x32' 20,000 gal vinyl, Williams 1 HP pump, Hayward 325sq.ft cartridge filter, Blue Pearl Cleaner

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