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Thread: What is causing my belly clamp to corrode?

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    What is causing my belly clamp to corrode?

    The powder coating on my belly clamp is peeling away. Time to buy a new one? What could be causing it to corrode like this? Is this normal wear & tear or something else?
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    Mod Squad jblizzle's Avatar
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    Re: What is causing my belly clamp to corrode?

    That is certainly weird ... you don't happen to store muriatic acid near the filter do you?
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    Re: What is causing my belly clamp to corrode?

    Quote Originally Posted by jblizzle View Post
    That is certainly weird ... you don't happen to store muriatic acid near the filter do you?
    I don't store any chemicals near the pump filter. I've lived in the house for 1.5 years. Can't speak for what the previous homeowner did.
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    Re: What is causing my belly clamp to corrode?

    This one time, at band clamp...

    In April 2009, Hayward introduced the cast aluminum band clamp part number DEX2421JKIT.

    Most of the time, aluminum is fairly corrosion resistant. However, sometimes it begins to corrode and when it does it can really get bad.

    I would suggest sanding and painting it to reduce further corrosion.
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    CJadamec's Avatar
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    Re: What is causing my belly clamp to corrode?

    If you plan on painting it you will need to use an aluminum etching primer for your top coat to stick. Aluminum is notorious for being hard to get paint to stick.

    Cheap cast parts like that can be prone to that type of corrosion due to impurities in the casting.
    Chuck-
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    Re: What is causing my belly clamp to corrode?

    Mine looks the same, I attribute it to when I blead off the air and get some salt water sprayed on it
    18x36 Vinyl, sports depth, 8' Roman steps at each end. Hayward 1.5hp 2speed pump, catridge filter, 2 skimmers, no main drain, 3 SR Smith Treo LED lights

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