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Thread: Shining grp

  1. #11
    Join Date
    Feb 2007
    Location
    Essex
    Posts
    19,134

    Default Re: Shining grp

    Boats are quantum particles. You can have expense without effort, or effort without expense, but you can't do without one or other.
    Far away is near at hand in images of elsewhere

  2. #12
    Join Date
    Jun 2016
    Location
    North West
    Posts
    465

    Default Re: Shining grp

    Quote Originally Posted by johnalison View Post
    Boats are quantum particles. You can have expense without effort, or effort without expense, but you can't do without one or other.
    To that end we had surprisingly good results with grpMAJiC (Apparently their choice of caps) at 11 quid for a tub (650ml) it fits the expense angle but required little effort for quite a big improvement. I'm guessing it's an Oxalic acid gel. Got it from yellow to white at any rate.

    If you're at the polishing point, you've probably already tried that though..

  3. #13
    Join Date
    May 2003
    Location
    SPAIN,Galicia
    Posts
    10,732

    Default Re: Shining grp

    Going for thr circumnavigation via Cape Horn look,after consideration!

  4. #14
    Join Date
    Aug 2013
    Posts
    559

    Default Re: Shining grp

    we did this on prev white boat

    now have to do same on a blue one

    wash thoroughly.

    cutting compound
    polishing compound
    wax compound
    products as previously recommended - we used 3m and maybe maguires was - found the liquid wax easier to apply than the more solid stuff in a pot

    get a variable speed polisher like the silverline one - heavy but cheapish. https://www.amazon.co.uk/Silverline-...rline+polisher

    you might need steps or set up a plank walkway at the right height

    will build up your arm muscles

  5. #15
    Join Date
    May 2013
    Posts
    273

    Default Re: Shining grp

    Depends on how bad it is, my hull is a 70s well used example and needed a fair bit I did
    Oxilic acid to remove the worst of the stains
    2500grit with soapy water to remove marks and light scratches
    Medium cutting compound with machine polisher
    3m polish
    Transformed it but it’s far from perfect, it will be done again this winter with finer compound

  6. #16
    Join Date
    Jan 2007
    Location
    Plymouth, D-heaven
    Posts
    3,657

    Default Re: Shining grp

    Cornflour makes a cheap and cheerful polishing compound. Mix it to a paste and off you go.

    Tips when polishing - don't let it get hot
    If you're using a proprietary polishing compound, don't use fresh stuff over old - it's designed to break up into smaller particles, so when you bung a load of fresh stuff on it you're adding more coarser material, if that makes any sense.

    Rust stains can be removed with oxalic acid. I bought mine online in powder form

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