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Old 04 April 2007, 05:27   #11
Country: Ireland
Town: Galway, West Eire
Make: Cranchi
Length: 5m +
Engine: 2 x Volvo KAD300
Join Date: May 2006
Posts: 638
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Originally Posted by cameronke View Post
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

Thanks for that. Did you need to polish afterwards? Does it attack gelcoat?

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Old 04 April 2007, 05:36   #12
Country: UK - England
Town: Exmouth, Devon
Length: no boat
Join Date: Oct 2004
Posts: 765
There's a StarBrite product available designed specifically for the job. I think it is just call Rust Stain Remover.

Where's Mr BoatCareUK when you need him?

Tel 01395 227727
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Old 04 April 2007, 06:03   #13
Country: UK - Scotland
Town: Ayrshire
Boat name: Raven
Make: Ribcraft
Length: 5m +
Engine: 150 suzuki
MMSI: 235040525
Join Date: Aug 2006
Posts: 653
So you can use a albino chicken on your rust stains, how hard do you rub

On a serious note anything with 3M on it works,or so I've found.

Originally Posted by GuyP View Post
There's a product called Y10 (a gel) .
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Old 04 April 2007, 06:26   #14
Country: UK - Scotland
Town: Clyde, Scotland
Boat name: anon
Make: Northcraft
Length: 5m +
Engine: Mariner 60
Join Date: Mar 2005
Posts: 22
Didn't polish but I never do. Just left it on for about 10 mins and hosed off. All rust stains and general brown stains gone. It did bleach my anti-foul a bit though.

No apparent damage to gel coat but check PBO forum for further details

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Old 04 April 2007, 07:10   #15
Country: UK - England
Town: Colchester/Clevedon
Boat name: Barracuda
Make: Porters
Length: 5m +
Engine: Tohatsu 50hp
Join Date: Oct 2006
Posts: 249
Y10 is oxalic acid based and as it's a gel it sticks to surfaces straight out of the tin.

Cillit Bang works great on barnacles and calcium based deposits (I've just cleaned the hull with it) but it doesn't get rid of tough staining that has permeated the gel coat. Give it a go first though, as it's only 2
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Old 04 April 2007, 09:43   #16
Country: UK - England
Town: Dorset
Make: ribcraft
Length: 7m +
Engine: suzuki 250
Join Date: Aug 2006
Posts: 133

Auto Sol. Comes in a metal 'toothpaste' tube, about 3 from any auto factors shop.
just put it on with a toothbrush or cloth and polish off.
It brings the console and moulding up treat and takes out any stains and is ideal on the stainless of course...
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Old 04 April 2007, 16:37   #17
Country: France
Town: Plougastel-Daoulas
Boat name: Kristha
Make: Narwhal HD580
Length: 5m +
Engine: Tohatsu 90hp TLDI
Join Date: Feb 2006
Posts: 41
Mattchem Cleanboat Gel, works a treat. Apply the gel with a brush, have a cold one (10mn), rinse, all set.

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