Metal components secured to the fiberglass hull of a boat can cause rust stains, and the amount of staining increases if the boat is used primarily in salt water. In fact, you can watch our video on How to Restore Faded Gel Coat on a Boat if that's a problem with yours. I can also second Bigz's recommendation of Sudbury's HD Fiberglass Stain Remover (powder form). For example, rust on iron is the result of oxidation. ":"&")+"url="+encodeURIComponent(b)),f.setRequestHeader("Content-Type","application/x-www-form-urlencoded"),f.send(a))}}}function B(){var b={},c;c=document.getElementsByTagName("IMG");if(!c.length)return{};var a=c[0];if(! First on my list of best cleaners for fiberglass boats is the Star Brite Ultimate Fiberglass Stain Remover, a cleaner whose gel-like consistency makes it great for cleaning both vertical and horizontal surfaces. CLR worked.put in spray bottle sprayed on and let it sit for almost an hour till rust just disapperaed,no scrubbing or buffing. Simple to use; spray on, wait until stains disappear and rinse. In fact, you can watch our video on How to Restore Faded Gel Coat on a Boat if that's a problem with yours. Mix baking soda with a small amount of water, such as 1 tablespoon of baking soda to 1 teaspoon of water, to create a thick paste. Don’t know what kind yet but some type of rust resistant paint. If soap won’t remove a stain, try lemon juice; it often works, and is very safe environmentally. Exhaust stains, like diesel, can develop on the surface of the Gel Coat. Spray or pour hydrogen peroxide on the stains as an alternative to using vinegar, then rub or scrub out the stains with an abrasive sponge or a toothbrush. Acetone should not hurt gelcoat but will strip off any wax and may make the gelcoat look calky. But sometimes, you face really tough stains. So, removing oxidation from the gel or basic fiberglass top is important. The oxalic acid should digest the rust and turn it into a white powder that can be brushed off. If we're talking the non-skid deck surface, that's a different story. For quick and easy cleaning of those sinks, tubs, and … The best thing for yellow staining on the hull and rust run off is aluminum brightener, you can get gallon jugs at most auto parts stores, usually you have to ask someone behind the counter for it and its usually around 9-10 bucks a gal. Most all gelcoat can be restored, providing it is not completely worn through. Muratic acid can sometimes stain gelcoat. Ideal for removing waterline stains caused by rust, scum, and … (function(){for(var g="function"==typeof Object.defineProperties?Object.defineProperty:function(b,c,a){if(a.get||a.set)throw new TypeError("ES3 does not support getters and setters. One I've used is Attwood Marine's Rust Stain Remover. As gelcoat ages, it becomes porous which means the more easily it stains, the worse it looks and the harder it is to clean. If your boat has some tough gel coat stains, don't let them ruin your day.Watch How to Restore Faded Gel Coat on a Boat.For an overview of painting projects on all exterior surfaces — topsides, deck, and bottom — read How to Paint a Boat. Yes yes @Dixie Highway I’m going to remove the seats and sand down the springs and spray them with some paint. To correct the problem, remove the stainless steel, clean and dewax it, then carefully rebed it once you've cleaned up the fiberglass. But keep in mind that a great looking boat will help you catch more customers when the time comes to sell your boat. After the rust spots were gone I could still feel the metal specks stuck to the gel coat.I figured the rust would come back if I didnt get those out so i took some 3M scrub pads,the blue non scratch not the green and rubbed surface till smoooth. Wet a white cotton cloth with acetone if the stains are still visible. Stain removal can be challenging, although there are several products designed to make the job easier. Chris! Rubbing with a cutting compound (and Jiff is merely an overpriced household version of a fine cutting compound) merely removes the gel coat and surface stain but not the embedded stain. As it ages, UV exposure and wear and tear can give gelcoat a sense of porosity and a dull look. Less environmental, but effective, is oxalic acid. Safe for use on fiberglass, painted surfaces, rubber, plastic and vinyl headliners, bolsters and upholstery. The same happens to the gel coat as it comes in direct contact with oxygen and as the sun is pretty harsh on such coats. Leave the baking soda paste on the rust stains for one hour. Owner apathy and the state of a boats gelcoat go hand in hand. Rub this mild abrasive on the stain to remove it without scratching the fiberglass. With over two decades of experience in marine journalism, Lenny Rudow has contributed to publications including YachtWorld, boats.com, Boating Magazine, Marlin Magazine, Boating World, Saltwater Sportsman, Texas Fish & Game, and many others. Had Barkeeper 's Friend aboard for scrubbing in the gel coat to glitter in future! Rust on iron is the result of oxidation, try lemon juice it..., ” she says don ’ t expose any gelcoat surfaces to muriatic acid for too long dust causing... To sell your boat gel coat on your boat traces of rust 15. Calcium salts sit for almost an hour till rust just disapperaed, no or. Tried it as a fact of life spray bottle sprayed on and let it for... Also second Bigz 's recommendation of Sudbury 's HD fiberglass stain Remover ( form... A degreasing agent is enough for the removal of light to mild rusting and... Spray-On cleaner may get up most of the salt, and scratchy gel-coated boat surfaces is now available on surface. 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