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Post by Maysport on Apr 7, 2019 10:52:41 GMT -5
I've got some orangey stains on my interior gelcoat that I assume are from passenger's suntan lotion. They don't come off with regular cleaning solution. What do you recommend?
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Post by gpm414 on Apr 7, 2019 11:08:54 GMT -5
I'll be watching for answers too, since I have never found something that works very well to get lotion or sunblock sprays off gelcoat. I should say other than banning lotions from my boat, and suggesting people wear SPF blocking fabrics in shirts and pants.
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Post by fishnfool on Apr 7, 2019 11:17:13 GMT -5
Try Marine 31 mildew/stain remover. Stuff is like magic, not sure how well it will work on sunblock stains though but def worth a shot.
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Post by Gitsum on Apr 7, 2019 16:46:32 GMT -5
We made a new rule. No spray on lotions allowed on board anymore.
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Post by gatorman on Apr 7, 2019 18:40:44 GMT -5
I just had my boat detailed and I had the same orange stains on some of my cushions. The detail guy used a mild degreaser to lift the stain then went back over it with the 3m Marine 31 mildew/stain remover. All stains are gone and it looks new. Gatorman-
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Post by turntwo on May 31, 2019 19:06:06 GMT -5
For the stains on gelcoat I use starbrite hull cleaner mixed with starbrite deck cleaner. The deck cleaner has ptfe in it and makes getting them off next time much easier.
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Post by hookedup on May 31, 2019 19:42:28 GMT -5
First time it happened I used On/Off and it removed the stains. Had to re-wax of course. All 'guests' are now advised to use sprays on the dock.
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Post by unclebuck on Jun 21, 2019 18:59:34 GMT -5
It's not necessarily just "sprays" that cause it. It's the ingredient avobenzone that causes the stains, which is in most sprays and lotions. It just happens to overspray more from spray cans. It stains clothing quickly too, which is nearly impossible to get rid of. For that reason, I've recently switched to Zinc and Titanium dioxide based sunscreens with 0% avobenzone, oxybenzone, or any chemical UVA/B blocker. Zinc and Titanium oxides are classified as physical UVA/B blockers, rather than chemical. Initial non-staining tests are good so far, and it's generally better for the enviro and reefs too. Unfortunately, that shit is like double the cost (regardless of brand), and I hate applying lotions while on the boat. Can't stand having sunscreen on my hands: lack of grip, and scent gets on baits.
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Post by Maysport on Jun 22, 2019 12:29:58 GMT -5
Good feedback, Buck! Over time and with several cleanings, the orange staining has faded or gone away.
I know what you mean about sunscreen on the hands - a greasy mess.
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Post by finatic on Jun 22, 2019 14:56:11 GMT -5
I like mr. Clean Magic Eraser pads they work on just about every stain you can think of. However they will strip the wax so rewax when you're done
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Post by reelkul on Jun 24, 2019 9:55:47 GMT -5
My two rules are no spray sun tan lotion, and no lotion (spray or cream) that has bronzer added to it. Those stains look like bronzer. I have not found a chemical to remove the stains from bronzer.
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Post by Twisted on Jun 24, 2019 11:14:25 GMT -5
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Post by unclebuck on Jun 25, 2019 21:33:58 GMT -5
... Those stains look like bronzer. ... Maybe not. I've seen the same stains on my friend's boat for years, and know for sure we've never used bronzer-added sunscreens. And also... have never used any cleaners to remove the stains from gelcoat. The sun takes care of it within a couple weeks. (boat on lift, plenty of Florida sun) But the vinyl cushions under the t-top (with more shade) do need a little help from cleaners.
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Post by Ol Mucky on Jul 2, 2019 21:39:36 GMT -5
Sun worked best for me Then I hit it with cleaner wax
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Post by oliver799 on Dec 10, 2020 8:04:13 GMT -5
You can use Marine 31, this stuff is amazing. I had tried 5 other products that I had researched online and had good reviews to clean the mildew off of my boat seats and had almost given up on them until I found this.
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