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Thread: How to repair vermiculite bottom?

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    Join Date
    Jun 2015
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    MA
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    How to repair vermiculite bottom?

    I'm replacing my IG pool liner. There are some cracks (up to 2" x 30") and soft spots (up to 8" x 8") on the vermiculite bottom. A few of them are below water table. I can pump out most of the water, but can never keep the bottom dry, since water keeps seeping through.

    I know the thorough solution would be to install a well point. But I'm afraid I don't have the time and effort to do that. So, I'm thinking some other solutions, for example, using hardening formula or mixing more Type III Portland cement with the premixed vermiculite (which I have two bags now). I'm looking for experience and advices from your guys. Anyone has experience/advice with repair work under wet condition?

    Thanks in advance!

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    Texas Splash's Avatar
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    Jun 2014
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    Re: How to repair vermiculite bottom?

    Henry, hello and welcome to TFP. Sorry its taken so long to reply. Your post has been in the queue, we're just watching for someone to reply who has experience with the issue you are asking about. We're happy to have you with us and hope you enjoy the TFP experience. Have a nice evening.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
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    ernie01jt's Avatar
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    Mar 2015
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    Smithton IL
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    Re: How to repair vermiculite bottom?

    Hi Henry, I am in the process of getting a new liner installed. I saw your post so I asked the installer what he used to patch some spots on mine yesterday. He said it is vermiculite mix, he applied it with a trowel. I have no well point also, he used a sump pump put in one of the drain holes to remove the water.
    18' x 38' 20,500 gallon vinyl IGP, 3.5 - 7' depth, Pentair FNS Plus DE filter,
    2hp Whisperflo high performance pump, 1.1hp boost-rite pump for the cleaner,
    250k BTU MasterTemp heater, LetroLegend pool cleaner, Hayward TurboCell GLX-CELL-15 chlorine generator
    Speedstir, K-1776, TF-100

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    Join Date
    Jun 2015
    Location
    MA
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    Re: How to repair vermiculite bottom?

    Thanks Ernie!

    Quote Originally Posted by ernie01jt View Post
    Hi Henry, I am in the process of getting a new liner installed. I saw your post so I asked the installer what he used to patch some spots on mine yesterday. He said it is vermiculite mix, he applied it with a trowel. I have no well point also, he used a sump pump put in one of the drain holes to remove the water.
    - - - Updated - - -

    Thanks Texas Splash! Google search brought me to TFP, more than once! Absolutely one of the best resources!

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