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Thread: Gel Coat issues- Help me PLEASe((((((

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    Gel Coat issues- Help me PLEASe((((((

    We have had this pool now for two years: they claimed they coated this before they sent it. since, when it is filled it chalks over the bottom. We have sanded and re gel 4 comes back. Last attempt this week. Acetone the wax coating from the bottom....some spots were appeared come off. fill with water and back again. Now, my question what can i do so i can get a even bottom, spots of blue underneath the wax..and other blue lines ..u can stratch it with a hard brush and see yoru blue. They claim new color. My thought is the siren is coming back through the mold...if i sand again and geal coat with another color, it will be back...what are my options. i have considered tile.. the pool folks have left me behind. HELP 21g fiber pool, Hayward pump, salt system with filter. all the balancing works great....Just the bottom looks crazy....need someone to call.
    21, 000 gal BLue fiber glass with Salt System 16x 33
    Aiken, SC 29803
    great water balance
    Hayward Pump

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    BoDarville's Avatar
    Join Date
    Jun 2012
    DFW, Texas

    Re: Gel Coat issues- Help me PLEASe((((((

    Welcome to TFP!

    Quote Originally Posted by hagan
    My thought is the siren is coming back through the mold...
    Can you explain this a bit more?

    Quote Originally Posted by hagan
    all the balancing works great...
    This may be, but it would still help us if you could post some test results.
    Gold Supporter, TFP Lifetime Supporter, 26,680 gal Plaster IGP 3.5 - 10' depth / Attached Waterfall Spa, Manually Chlorinated, Triton Sand Filter, 1.5 HP * 1.1 SF = 1.65 SFHP 1-speed Pentair WhisperFlo WF-26 Pump, 400K BTU NG Teledyne Laars Series One Heater, Polaris 360, Test Kit Comparison, Chlorine/CYA Chart, SLAMing Your Pool, OCLT
    A good test kit is an investment, not an expense.

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

    Re: Gel Coat issues- Help me PLEASe((((((

    Welcome to TFP.

    As Bo said, we need a set of test results and how you got them?

    A picture of the pool would be nice too.
    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
    Pool School ----- Pool Math ----- TF-Test Kit

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    TFP Guide

    Join Date
    Jun 2012
    western NY

    Re: Gel Coat issues- Help me PLEASe((((((

    I don't normaly harp about spelling, gramar and punctuation in posts. Heck, I am not that great about it myself sometimes. But, this post is very difficult to follow. Although I have never dealt with a fiberglass pool I do know a little bit about the fiberglass process.

    Are you realy "gel coating" the pool by yourself? Or are you just repainting it? Gel coat is a two part resin that is first applied to the mold before the fiberglass mat and chop is applied. It is usually the same resin that is applied with the mat and chop.

    You mentioned something about acetone and wax coating...Are you waxing the surface prior to filling?

    My thought is the siren is coming back through the mold Not sure what you mean by this. The mold is the master that the pool is formed in and stays at the factory.

    Tile will not work on a fiberglass substrate. The first little flex or temp change and the tiles will be popping off like crazy.
    Unknown make 18' above ground (bought used in 1999) Sparco sand filter. Hayward 100,000 BTu heater. 2 speed pump

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