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Thread: Krystal Clear 637R water flow

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    Krystal Clear 637R water flow

    We have the 637R filter system hooked to a salt water system for our above ground pool and we are having major issues with water flow coming from the 637R. If we change the filter it works fine for a little while but after a few hours the salt water system gives us a "Low water flow" warning. We are going through a new filter every couple of days just to get it to work half correctly. Has anyone gone through this issue or should we just get a new filter system all together?


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    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: Krystal Clear 637R water flow

    You most likely have something going on in the water.
    Do you have a set of test results you can post?
    Also, what does the water look like?
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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