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Thread: Hayward cartridge filter tie rod

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    Hayward cartridge filter tie rod

    Hi, I was curious to see if this has happened to any other pool owners that own a Hayward cartridge filter. The filter is approximately 3 and a half years old. Over the past year, the tie rod has become very rusty. Any explanation as to how this could have happened?

    Here is a link to the manual - ... ual135.pdf

    All thoughts would be appreciated. Thanks.

  2. Back To Top    #2

    Join Date
    Mar 2007
    Coastalish 'down easter'

    Re: Hayward cartridge filter tie rod

    Acid bath!

    Has your pH dropped below 7.0 for any extended period? (usually trichlor pucks cause this) Or, did you acid wash the entire assembly? - acid isn't good for the fabric of the carts, so should only be done if there is a known calcium issue
    Luv& Luk

    Having done construction and service for 4 pool companies in 4 states starting in 1988, what I know about pools could fill a couple of books - what I don't know could fill a couple of libraries :-D

    POOL SCHOOL, TF Testkits, Jason's Pool Calculator, CYA vs. cl chart, (Just a few DARNED handy links!)

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