Remove water stains where boat was not waxed

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Steve71

Recruit
Joined
Jun 26, 2010
Messages
5
My "new to me" fiberglass runabout has brown water marks on the hull. I cleaned it with a good hull cleaner and MOST of it came off, except where the previous owner must have stopped waxing. Now the front half of the hull is clean but the back half (hard to reach to wax) is brown. I have tried everything but cannot get it removed. Any tips??

Thanks.
 
jspano

jspano

Senior Chief Petty Officer
Joined
Oct 30, 2009
Messages
790
Re: Remove water stains where boat was not waxed

not sure but have you tried CLR
 
chargerboy

chargerboy

Petty Officer 1st Class
Joined
Apr 28, 2010
Messages
362
Re: Remove water stains where boat was not waxed

How about buffing with an abrasive hull cleaner? Anything that's meant to remove oxidization should work well to remove that, and brighten up the hull at the same time.
 
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Steve71

Recruit
Joined
Jun 26, 2010
Messages
5
Re: Remove water stains where boat was not waxed

Okay, thanks. I was going to try CLR but was afraid it would harm the gel coat. I will also try a buffing wheel with the abrasive cleaner. Thank you.
 
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