Brown stains

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Mac Bentley

Mac Bentley

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Feb 26, 2004
161
Hunter 23 Lake Keystone, OK
OK, I've checked the archives, but not before buying Interlux Heavy Duty Stain Remover, which has proved to be absolutely worthless. I'm trying to get rid of the brown along the water line on my h23. The worst of it was on the transom below the motor mount. After getting nowhere with the Interlux, I wound up sanding it off. The rest, though, is on the painted bootstripe. Reading the archives, the best products to try next are Slimy Grimy, FSR and Sno-bowl. I'll start with Slimy Grimy, unless somebody has a better idea. I also saw on the Internet that bootstripe tape is available, which Don Casey says is an option, although it won't give an even perspective as the hull moves to different angles. I'm not real thrilled about painting, but I guess that's an option. Any ideas will be appreciated. Mac
 
E

ed

stain

I had a brown stain on the hull of my Hunter and lemon juice took it off. It is a freshwater boat.
 
Dan Johnson

Dan Johnson

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Oct 14, 2005
2,191
1983 Hunter H34 North East, MD
Mac...

We get a brown stain on our boats from the brackish water of the northern Chesapeake Bay. Most of us use FSR to remove it. It's easy to apply, works quickly, and easy to clean off. Be sure to wear gloves and eye protection when using it or any of the others you're considering.
 
S

Steve Dion

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Dec 2, 1999
15,184
Hunter Vision-36 Rio Vista, CA.
Mary & kate will work!

"Marykate On & Off instantly removes waterline stains, algae stains, rust, and exhaust stains. The advanced, industrial strength formula softens barnacle rings and zebra mussels for easy removal. Safe for use on fiberglass, just brush it on and rinse it off!" Everyone seems to rave about this stuff!
 
Manny

Manny

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Oct 5, 2006
983
Hunter 82? 37 Cutter Wherever the wind takes me
Magic eraser

Try a mr clean magic eraser (or generic equivalent), i've had great luck with them. Manny
 
J

James

Practical Sailor

rated 24 waterline stain removers in the November 2007 issue.
 
P

Pete

off/on

Second vote for OFF/ON that is great for removing brown water line stains. Availabe at most boat stores. It is a hull cleaner and is is a mild acid and will clean but not harm the gel coat, easy to use.(make sure you wear rubber gloves). I have had good luck with this product.
 
BrianW

BrianW

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Jan 7, 2005
843
Hunter 26 Guntersville Lake, (AL)
Oxalic Acid

I use oxalic acid. It's the active ingredient in many of the commercial waterline hull cleaners. You can get it at any of the large home improvement stores (paint dept.) It may be called "wood bleach". It costs about $5 for a pound tub. I used about a 2 or 3 tablespoons in an old quart size (relabeled) spray waterline cleaner bottle and squirt in a little diswashing detergent to help it stick to the boat hull better. As others have mentioned, use rubber gloves & eye protection. You may want to cover your hair. I also wear a paper dust/mist mask. It's also great for any rust stains on the hull. BrianW
 
R

r. gallagher

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Mar 18, 2007
86
Hunter 28.5 cedar creek lake, tx
I 2nd wood bleach

I also use wood bleach. I dump the contents into a one gallon pump sprayer, add water, and spray the water line. You can see the stain dissappear before your eyes. Be sure to rinse well with water afterwards. One of the easiest clean-ups on the boat!
 
Paul Akers

Paul Akers

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Dec 3, 2003
2,101
Hunter Legend 37 Portsmouth, RI
If The Stains...

...are the "moustache" type from discolor/chemical in the water. PS says to try to remove it with juice of a lemon. It should come right off. Or try Mary Kate Hull Cleaner. I've seen that work pretty good, also.
 
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