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Old 03 April 2007, 14:13   #1
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Getting rid of rust stains from fibreglass/gelcoat?

Has anyone come up with a solution for removing rust stains from fibreglass/gelcoast? There's som staining on the boat interior, i've replaced the guilty screws with stainless ones, but would like to get rid of the stains that they caused
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Old 03 April 2007, 14:17   #2
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There's a product called Y10 (a gel) which you apply with a brush and wash off after 10 minutes. I've just used it and it works really well. Costs 10 for about 500ml

Use it on the hull to get rib of any yellow staining from marine growth as well.
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Old 03 April 2007, 15:55   #3
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re rust stains

Astonish !! shifts rust no problem and most other things

but be aware that it is abrasive so you need to re polish afterwards

but its only 79p from wilkis

Andy
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Old 03 April 2007, 16:13   #4
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Have you tried white vinegar?

Or a Calcium/Lime/Rust household cleaner (usually contains some kind of acid... Phosphoric?)

jky
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Old 03 April 2007, 16:49   #5
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Oxalic acid is supposed to be good. Wipe on then remove with a wet sponge quickly. Can be got from your local chemist. Good for removing rust from wood as well.

Please note I have not used this stuff myself.
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Old 03 April 2007, 17:58   #6
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Old 04 April 2007, 03:48   #7
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Quote:
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Are you having an affair with Barry Scott?!
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Old 04 April 2007, 03:55   #8
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Quote:
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I rang Barry but aparantly he's too busy to consult me on my rust stains
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Old 04 April 2007, 04:32   #9
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too busy cleaning 2 pence pieces no doubt...
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Old 04 April 2007, 05:18   #10
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Oxallic acid

As Slaphead says, oxallic acid will do the job well. I got mine from Boots (special order) for about 5. Be very careful when handling as it is very toxic; wear gloves and watch for splashes.

A useful trick is to mix it with wall paper paste to make it gloopy to stick to vertical surfaces. Roll/brush on, leave for a few minutes and then hose off....made a great job of my (ahem) sailing boat

Cameron
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