deck stains/green spots/and a little rust - SailNet Community
 
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post #1 of 7 Old 11-02-2009 Thread Starter
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deck stains/green spots/and a little rust

i managed to spill some teakoil on the topside fiberglass, and it didnt come off with a powerwash. any ideas?

ive also found some 'stainless' steel with a bit of funky green corrosion i would like to eradicate, but dont want to be so abrasive as to cause scratches.... any ideas?

my barienet winches have a few speckles of rust spots, any ideas on this one too?

thanks in advance,

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post #2 of 7 Old 11-02-2009
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Mineral spirits soaked in a terry rag may loosen up teak oil.If not,TSP and scrub pad should do it...if on smooth gelcoat you maybe can buff it off. The green corrosion sounds like it's on chrome-plated metal rather than stainless....but if truly stainless,any good polish should work. I like Flitz or Never-dull, for the rust stains,try Magica.
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post #3 of 7 Old 11-02-2009
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Try georgefmys suggestions. I know that an acetone wipe with a rag will get the teak oil up but will also pull up any wax as well. Acetone will actually re-activate the gel coat which may not be a bad thing on an older boat. Wear protective gloves if you go this route. A slightly less harsh thinner like denatured alcohol would likely do the trick on the teak oil - just takes a little longer to evaporate.
For the winches you could try Marvel Mystery Oil which has rust inhibitors in it. Let it soak and rub it off with clean rags. Works on most metals.
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post #4 of 7 Old 11-02-2009
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Recon the advice on removing teak oil is sound. As for polishing metal, plastic, fiberglass my choice is Prism Polish.

Good luck...MGM

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post #5 of 7 Old 11-02-2009
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Try oxalic acid - get sound info on the strength.

We have a product in New Zealand called Grunt. It cleans GRP to brand new by just brushing on leaving for a short while and hosing off. I believe its base is oxalic acid.

I have used oxalic acid to remove birdshite stains and it works a treat.


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post #6 of 7 Old 11-03-2009
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To remove rust spots on stainless the old fashioned way was to brush on OSPHO, let it set for a few minutes, then get a blackboard erasure, squirt WD40 on it until it was damp, then sprinkle pumice dust on it and buff the rusted area. Does a good of polishing too.
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post #7 of 7 Old 11-05-2009
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Good day,

We have been using a method to remove rust from stainless steel for about 4 years and now it is formulated and available for the marine market. It will also remove rust stains from fiberglass and sealants. In addition to rust it removes the free iron from the surface of stainless steel that causes rust and enables a rich chromium surface which will form a protective oxide layer. Simple to use brush it on wait up to 30 minutes and rinse with fresh water. The product is Spotless Stainless.

There are before and after photos on the website if you google spotless stainless. Full disclosure I am involved with the company..

cheers
-allen
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