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Thread: How long can a filter cartridge be cleaned for?

  1. Back To Top    #1

    Join Date
    May 2011
    Miami, FL

    How long can a filter cartridge be cleaned for?

    I read somewhere that I can simply hose off my Sta-rite Posi Flo filter cartridge and re-use it. I've done that a few times using a lot of pressure, and the crud that comes out is amazing. Wow. I leave it looking fairly white.

    Those cartridges are quite expensive so being able to re-use is certainly a benefit. But, I ask how long or how many times can I keep doing that?

    15,300 gallon inground pool
    Sta-rite cartridge filter
    Diamondbrite surface (i think. I am not original homeowner).
    1.5hp Hayward Super Pump
    Hayward Navigator Pro cleaner

  2. Back To Top    #2
    bobodaclown's Avatar
    Join Date
    Apr 2011
    Lakeland, FL

    Re: How long can a filter cartridge be cleaned for?

    Till it rips, breaks or doesn't filter properly.
    17K Kidney Shaped Pool Concrete (Diamond Bright) Pool, 3/4 hp 2 speed 115V Sta-rite Duraglas PEA5D-180L/P2R5D-181L (Impeller C105-92PS Diffuser C1-216P), 1.5 piping, Pentair CC100 Filter , Heat Siphon 100K BTU Heat Pump Pool Heater, Flow meter Blue White Flowmeter Model No. F-30150P, Hayward Astrolight SP0581N, SWCG CalimarTitanium Edition TE45 , Lakeland Florida

  3. Back To Top    #3
    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: How long can a filter cartridge be cleaned for?

    Usually for several years.
    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

  4. Back To Top    #4
    BobinBaltimore's Avatar
    Join Date
    Dec 2009
    Northeast of Baltimore, MD

    Re: How long can a filter cartridge be cleaned for?

    What I do is buy one new cartridge per year (since they are so expensive). I note the date on each one. This way, it spreads the cost out over 4 years and I get the benefit of 25% pristine cartridges every year. My filter is oversized for my pool, so I could probably skip a year here or there in the future and still be fine with proper cleaning. Also, I keep the newest OLD cartridge around just in case I get a rip or need a quick replacement.
    25' x 37' freeform, 22,000 gallon saltwater, 3'6" to 6'6" deep, including baja shelf and benches, 120 ft EP Henry retaining wall
    Pentair equipment (CC420 cartridge filter, VS-3050 variable speed pump, IC 60 salt cell, EasyTouch), 200 sq ft pool house
    View our Pool Build - View our Pool House Build

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