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Yellow fiberglass stains

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Old 07-15-2008, 11:41 PM
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Default Yellow fiberglass stains

I may leave my boat in the water for two or three days at a time max. What is the best way to prevent this stain from appearing every time I leave it out overnight?
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Old 07-16-2008, 12:26 AM
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Tbone, Wax will help but you need to wet sand it and get rid of all the staining. Maybe it's time to have it clear coated

I was having the same problem with my transom. I wet sanded it and put some leverage on and haven't had it come back to bad so far and its been almost a year. Call Donnie from Marine Clean. Call me if you need his #.
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Old 07-16-2008, 12:29 AM
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Hey tomtbone1993,

Dont know really anyway to stop the yellowing but I use some hull cleaner dilute it with water and a garden sprayer and it comes right off. No rubbing or scrubbing just hose off. Hope this helps...
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Old 07-16-2008, 12:36 AM
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No need to wet sand to get the stain off. Use some hull cleaner or muratic acid or do a search for RINGO on the board to remove the stain. There is really nothing you can do to prevent it. Gel coat is pourus and the stain soaks in.
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Old 07-16-2008, 12:40 AM
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Quote:
Originally Posted by Griff View Post
No need to wet sand to get the stain off. Use some hull cleaner or muratic acid or do a search for RINGO on the board to remove the stain. There is really nothing you can do to prevent it. Gel coat is pourus and the stain soaks in.
I was told the Muratic acid would take it off but would also allow it to come back faster and worse. Never used ringo but heard it was good. I just wet sanded on the recomendation of Donnie.
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Old 07-16-2008, 01:53 AM
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Sno-Bowl toliet cleaner...no other brand will take the stain right off super easy. It will not harm the gelcoat. I tired other toliet cleaners and Sno-Bowl is the inside secrete.
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Old 07-16-2008, 02:19 AM
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Sno Bowl is just diluted acid and will work for light stains. I've used muratic for years with no ill effects. I probably use it about 4 -5 times a season.
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Old 07-16-2008, 07:58 AM
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This stuff is good. Made by Marykate
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Old 07-16-2008, 08:15 AM
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On & Off by Mary Kate. DO NOT wet sand the boat. I actually used to use rain X and it seemed to help with the staining.

As said earlier, you can also use Sno Bowl.

Put the on & off in a bucket diluted with water and use a brush to wash the hull. Stay up-wind because it nasty and will burn your eyes etc. Use gloves if you care about your hands
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Old 07-16-2008, 08:47 AM
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Tom, we all had the staining problems, when we got back from the Conroe poker run. It seems worse this year for some reason. I have been geting that yellow stain each time we go out. None of the usual waxes seem to work, I have tried them all, but Leverage. That will be my next wax. I sprayed West Marine hull cleaner on it, brushed it, and rinsed it right off and re-waxed. We had it real bad when we went to Destin last year and the boats were in the water for a week, but again the hull cleaner took it right off.
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