Barnacle removal. - Page 2 - SailNet Community
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post #11 of 15 Old 12-31-2019
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Re: Barnacle removal.

Why would you have to clean even the ‘roots’ if you are going to paint? Just put the paint on. Paint will likely adhere better to the barnacle roots than pvc.

Be kind, for everyone you meet is fighting a hard battle.
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post #12 of 15 Old 01-01-2020
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Re: Barnacle removal.

I've never heard of putting bottom paint on an inflatable.

Pull it out of the water when you aren't using it.

I, myself, personally intend to continue being outspoken and opinionated, intolerant of all fanatics, fools and ignoramuses, deeply suspicious of all those who have "found the answer" and on my bad days, downright rude.
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post #13 of 15 Old 01-01-2020
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Re: Barnacle removal.

We use bottom specified for dinghies. Have hypalon. Before doing so had your problem. Bottom painting dinghies is worth it. Flipped dinghy over a left in the sun until real dry. Partially deflated tubes. Walked all over tubes then hit with a short length of pipe. Then scraped with stiff plastic scraper. Then carefully by hand with a scotchbrite. Then washed with fresh water hose and nylon scrub brush Got it down good enough without damaging tubes. Glass bottom just used a palm sander.
Advantage of letting the bottom go is you know exactly how high up to bring the bottom paint. Oh well...
Think being able to go on plane and having the dinghy expand and contract with temperatures changes decreases hard growth. Now have two 9 m seasons with current coatings.
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post #14 of 15 Old 01-02-2020
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Re: Barnacle removal.

According to Carolyn at Boat Galley Liquid Barkeepers Friend [not the powder version...] works great and is safe on PVC, Hypalon, and fiberglass.

I have never tried it, but offer the qualified reference FYI.

Good luck! Bill


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post #15 of 15 Old 01-04-2020
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Re: Barnacle removal.

In addition to the bang/flex suggestions for removal, Barnacle Buster will work, albeit at much slower speeds than Muriatic acid.

Dirt cheep in the swimming pool department, and if you pour it into an epoxy mixing bucket/cup and use a cheapie chip or similar brush once you have the bodies mostly off, you can dab it onto the residue directly.

Use outdoors, gloves just in case (you should not be getting any on yourself if you are moderately careful), ditto eye protection, and rinse off occasionally to reapply if not fully dissolved critters.

After reaction with the calcium of the buggers it's just salt and water.

We don't keep the remainder of a gallon, as the stuff would NOT be good to leak into our bilge should the container leak, but at single-digit bux, it's great to use.

Be VERY careful in using any tool for removal; it's really easy to compromise the surface, leading to leaks.

As to prevention, we lift ours aside most of the time, but are in fecund waters a LOT so occasionally have to flip it and do the dance...


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