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Thread: Dirty old filter

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    rlefig's Avatar
    Join Date
    Apr 2013
    Location
    Reading, MA
    Posts
    200

    Dirty old filter

    Good morning, I picked up a Sta-Rite system3 S7m120 filter and pump motor for almost free. It was one heck of a stinky ride in my car. The filters were both covered in green algae. I soaked them in a trash can of 1 pt muratic acid to 20 parts water for a couple of hours. I then sprayed them off.

    Here is a picture. Are the filters still good? they both have dangling retaining straps that go around the circumference of filter. They were like this before the soaking.

    thanks
    Attached Images Attached Images
    1971 Gunite 31x16 IG Kidney shape pool approx 18000 Gallons
    EcoFinish Blue Lagoon
    Sta-rite System3 S7M120 Cartridge Filter
    A.O. Smith 3/4 HP motor, starite pump
    TF100 test kit

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    Join Date
    Feb 2008
    Location
    Denton, TX
    Posts
    5,061

    Re: Dirty old filter

    No, they need to be replaced once a strap breaks.

  3. Back To Top    #3
    rlefig's Avatar
    Join Date
    Apr 2013
    Location
    Reading, MA
    Posts
    200

    Re: Dirty old filter

    Thanks, I was afraid of that. Will these not last at all? I will also need to clean up a swamp pool and don't want new filters to go through that.

    And I knew Steven Wright, although he was older than I. We both grew up in Burlington, MA
    1971 Gunite 31x16 IG Kidney shape pool approx 18000 Gallons
    EcoFinish Blue Lagoon
    Sta-rite System3 S7M120 Cartridge Filter
    A.O. Smith 3/4 HP motor, starite pump
    TF100 test kit

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