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Thread: fiberglass spots

  1. Back To Top    #1

    Join Date
    Aug 2015

    fiberglass spots

    First off, first real year using TFP and my pool is gorgeous. Thank you very much TFP for making owning a pool a pleasure and not a chore.

    I have two small issues I would like to have some help with. The first are the little brown circles, copper looking that I have on the pool floor.

    The second is that I have "worn" spots on the fiberglass. That is the best way for me to explain it. It looks like the white stuff has just scraped off.

    Pictures for reference.


    ph 7.4, CL 8, CYA 40, AL 100, CAL 150
    numbers were from Sunday, as I am away from my pool atm.

    Thanks in advance for any help here.
    22K inground pool free form. Fiberglass (I think). sand filter Hayword Pro Series, TF-100 Test Kit.

  2. Back To Top    #2
    Mod Squad
    Join Date
    Aug 2012
    DFW, TX

    Re: fiberglass spots

    Try some Vit C on the round spots, 5minutes to several hours, to see if it lifts the stains. Fiberglass pools have a gelcoat surface. I think there are some products available to touch it up. But, eventually it needs to be refinished. Try boat stuff, they have gelcoat too.
    TFP Moderator
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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