Cleaing Polymer

A general, non-powerplant specific, discussion on airboat technology, ie., hulls, rigging, polymer, etc..
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nebraskaairboater
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Cleaing Polymer

Postby nebraskaairboater » Mon Jun 11, 2018 12:53 pm

My boat sat in the river for a while last year and it ended up with a build up of hard water minerals or something. It stuck to the poly on the bottom and the sides. I tried a pressure washer to remove it but it didn't come off. Has anyone had similar issues like this and what would be a good way to remove it? I ended up using a sander on one side but it dulled the poly bad. I will probably need to do the same on the other side just so they match. The sides are cosmetic but it actually built up on the bottom of the boat making it stick to the sand bad. It is rough where it built up. My dads boat sits in front of his cabin all summer so the build up is really bad on his.
Dan Porter, Jr.
Fremont, NE
16 x 8 1971 Flat Bottom Fiberglass Hull / 472 Cadillac/ 2.12:1 Rotator / 80" 3-Blade Sensenich S

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Whitebear
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Re: Cleaing Polymer

Postby Whitebear » Mon Jun 11, 2018 4:45 pm

Typically white vinegar will either dissolve the minerals or help dissolve them. Get it by the gallon at the Dollar General Stores. IT works fairly slow and has to be kept wet but it generally will at least help. Try a 1-2 foot patch first to test before ya buy 10 gallons.
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nebraskaairboater
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Re: Cleaing Polymer

Postby nebraskaairboater » Mon Jun 11, 2018 5:25 pm

Thanks for the advice... I will give it a try.
Dan Porter, Jr.
Fremont, NE
16 x 8 1971 Flat Bottom Fiberglass Hull / 472 Cadillac/ 2.12:1 Rotator / 80" 3-Blade Sensenich S

Gary S
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Re: Cleaing Polymer

Postby Gary S » Tue Jun 12, 2018 5:59 am

Run it across a sand bar.

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nebraskaairboater
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Re: Cleaing Polymer

Postby nebraskaairboater » Tue Jun 12, 2018 10:39 am

that works on the bottom. I actually took my dads boat up and down a gravel ramp a few times. He didn't like me doing that but it did help. We both have poly on the sides of our hulls though with buildup that just looks bad LOL.
Dan Porter, Jr.
Fremont, NE
16 x 8 1971 Flat Bottom Fiberglass Hull / 472 Cadillac/ 2.12:1 Rotator / 80" 3-Blade Sensenich S


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