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Thread: Rust stains on new plaster

  1. Back To Top    #1

    Join Date
    May 2012
    Location
    San Jose, CA
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    140

    Rust stains on new plaster

    New 3m quarts plaster (Colorscape) has rust spots and streaks. Looks like what ever caused them was trowled into the plaster. They showed up right after filling and havent reduced in intensity over the past 3 weeks. The PB looked at it today and said a high a high acid startup will take them out. He tried pouring acid down a pipe to the stain and also tried a sanding block but the stain wasn't phased much.

    I dove down and looked at the stains earlier with a mask and could not see any debris lodged in the plaster at least.

    Not happy with stains on new plaster to say the least.

    Any thoughts?
    Thanks
    24k gal 16x38, spa 7x6, Colorscape Caribbean Blue plaster, Pentair Intelliflow, Hayward jacuzzi air pump, Pentair 520 filter, Raypak 336k cu-ni heater, Aquabot Turbo T... pool remodel finished 8/2012.

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
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    May 2010
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    Re: Rust stains on new plaster

    Try rubbing a vitamin C tablet on the stains ... if it is infact a metal stain (likely this fast), then they should be lightened/removed.
    Jason, TFP Moderator
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  3. Back To Top    #3

    Join Date
    May 2012
    Location
    San Jose, CA
    Posts
    140

    Re: Rust stains on new plaster

    I'll give it a try this weekend...thanks
    24k gal 16x38, spa 7x6, Colorscape Caribbean Blue plaster, Pentair Intelliflow, Hayward jacuzzi air pump, Pentair 520 filter, Raypak 336k cu-ni heater, Aquabot Turbo T... pool remodel finished 8/2012.

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