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Thread: Rust in Faux Rock Pool Feature

  1. Back To Top    #1

    Join Date
    Jun 2014
    Chandler, Arizona

    Rust in Faux Rock Pool Feature

    I have a faux rock grotto feature that reaches below the water level 24x7. Last summer while swimming I noticed a couple dime sized rust spots underwater and on the faux rock area. I drained about 1/4 of the pool to gain access to the spots. I used a cement drill bit, drilled the rust off, and patched it with rapid setting waterproof cement - this stuff would begin to set if I left it mixed for more than 2 minutes. Of the 4 spots I repaired, one didn't seem to work and I'm wondering if I didn't patch thoroughly enough and water continues to get through. And I recently just found a few more pencil eraser-sized spots on another area that also sits below the water line 24x7. I'm draining my pool tonight due to high CYA and am going to tackle these rust spots again. Just looking for some anecdotal advice on what I should and shouldn't do during this next round.

    28k gallon in-ground pebbletec pool w/waterfall and grotto feature
    Triton II sand filter
    "The Pool Cleaner" 4-wheel vacuum
    1.5hp main pump; 1.5hp water feature pump
    Taylor K2006 test kit

  2. Back To Top    #2
    Mod Squad Patrick_B's Avatar
    Join Date
    Jun 2011

    Re: Rust in Faux Rock Pool Feature

    Any advice I could give would be no more than the anecdotal type you suggest. I could only suggest you chase it as deep as you ca and hope for the best.
    TFP Moderator
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