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  1. #1
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    Rust Stains in White GelCoat

    Any ideas on how to remove? Been trying to use CLR and a brass bristle brush.

  2. #2
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    toilet bowl cleaner has always been my go to

  3. #3
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    central Florida
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    On off

    1983 hydrostream viper
    150 merc

  4. #4
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    Quote Originally Posted by WaterZebra View Post
    Any ideas on how to remove? Been trying to use CLR and a paint roller for smooth finish.
    I wouldn't advise it. Vinegar is fine for the steel, but it *might* react strangely with what appears to be urethane on the heads.
    Unless the OP isn't bothered by hazy/discolored dbell heads. In that case, proceed with the full baptism.
    Last edited by DeerHunter; 07-14-2022 at 10:34 PM.

  5. #5
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    Quote Originally Posted by moatorbotin View Post
    toilet bowl cleaner has always been my go to
    Quote Originally Posted by allaction View Post
    On off
    These are both the go to for me as well on my center console
    83 Vking 150 Mariner 2.5L






  6. #6
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    Lake Ashby, New Smyrna Beach FL
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    I use Rust-Off a product used mostly for taking the rust from well water off of houses. About $10/gal at HD
    \\\/// \\\/// \\\/// \\\/// \\\/// \\\/// \\\/// \\\/// \\\/// \\\/// \\\/// \\\/// \\\/// \\\/// \\\/// \\\/// \\\/// \\\/// \\\///


    Checkmate Pulsare 2100 with a 2017 Merc 250 Pro XS

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  8. #7
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    Quote Originally Posted by allaction View Post
    On off
    By MaryKate. The best hull cleaner hands down.
    Jim

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  10. #8
    Join Date
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    MR. CLEAN MAJIC ERASER worked better than anything i tryed

  11. #9
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    Whink from the laundry cleaner aisle of the grocery store. Wet gelcoat, put Whink on it, watch the rust stain disappear, rinse off. Cheap and safe.

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  13. #10
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    Quote Originally Posted by Jim Speros View Post
    By MaryKate. The best hull cleaner hands down.
    Yes and very toxic........don't get it on your aluminum trailer or any metals on the boat or it will etch them.......plus the fumes are crazy.

  14. #11
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    Whink? Never heard of it! Thanks a ton for the tip! Ordered some today..............

  15. #12
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    I tried it and found it to be a quick and easy solution. I appreciate your helpful suggestion. Thank you for sharing!

  16. #13
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    Years ago I ordered the solid buffing bars from Mini Craft. From what I understand this is a rouge type compound used mainly for polishing metal but it works wonders on gel coat. The orange clay color bar is the heavy cut, the white is medium. The medium worked great for everything I needed.
    1970 15' Allison/135 Chrysler stacker
    RC Mod-VP Boats

    IMPBA District 13
    NAMBA District 3

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