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04-12-2012, 15:00
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#1
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Registered User
Join Date: Sep 2012
Location: Suriname
Boat: 42' Colvin Gazelle
Posts: 293
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Barnacles on fenders
Does anybody know how to get barnacles off inflatable fenders without damaging or dissolving the plastic? Scraping them off is no problem, but the footprint remains and is quite abrasive to the upside paint.
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04-12-2012, 15:07
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#2
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Registered User
Join Date: Oct 2010
Location: Marathon, FL
Boat: Hans Christian 33
Posts: 652
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Re: Barnacles on fenders
Maybe some muriatic acid.
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04-12-2012, 15:24
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#3
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Senior Cruiser

Join Date: Dec 2008
Location: St. Georges, Bda
Boat: Rhodes Reliant 41ft
Posts: 4,131
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Re: Barnacles on fenders
Did you try some extra pound of inflation to see if it would crack them off?
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so many projects--so little time !!
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04-12-2012, 15:30
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#4
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Registered User
Join Date: Mar 2009
Location: Australia, Central Coast.
Boat: Boden 36 Triple chine long keel steel, named Nekeyah
Posts: 872
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Re: Barnacles on fenders
Go to your hardware store and buy a bottle of the acid that bricklayers use for cleaning up. Over here (Aust) it comes in 4 litre containers and is pretty cheap.
I'm pretty sure it is dilute hydrochloric. Just keep painting it on the fenders until the footprints dissolve. Works for props too.
Use eye protection and gloves!
Regards,
Richard.
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04-12-2012, 16:10
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#5
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Registered User
Join Date: Mar 2006
Location: Tampa Bay area, USA
Boat: Beneteau First 42
Posts: 3,900
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Re: Barnacles on fenders
Quote:
Originally Posted by Sailormantx
Does anybody know how to get barnacles off inflatable fenders without damaging or dissolving the plastic? Scraping them off is no problem, but the footprint remains and is quite abrasive to the upside paint.
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Wrap the fenders in some old towels soaked in a solution of Barnacle Buster.
Works every time...
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"It is not so much for its beauty that the Sea makes a claim upon men's hearts, as for that subtle something, that quality of air, that emanation from the waves, that so wonderfully renews a weary spirit."
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04-12-2012, 16:59
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#6
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Moderator
Join Date: Nov 2011
Location: aboard, cruising in Australia
Boat: Sayer 46' Solent rig sloop
Posts: 17,087
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Re: Barnacles on fenders
Swimming pool bleach also known as muriatic acid will work; so will plain vinegar, takes longer but will eventually dissolve them. Actually, so does acid rain!
Vinegar's probably cheaper than "Barnacle Buster".
A. Cate, Insatiable II
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04-12-2012, 17:14
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#7
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Registered User
Join Date: Mar 2012
Location: eire
Posts: 97
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Re: Barnacles on fenders
cant actually believe there is a product out there called barnacle buster, how long are people hanging around the docks that they get time to grow
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born to fish forced to work , fishing is life the rest just details.
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04-12-2012, 17:43
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#8
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Registered User
Join Date: Mar 2006
Location: Tampa Bay area, USA
Boat: Beneteau First 42
Posts: 3,900
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Re: Barnacles on fenders
Quote:
Originally Posted by nagrom snoyl
cant actually believe there is a product out there called barnacle buster, how long are people hanging around the docks that they get time to grow
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We've had barnacles grow on the constantly spinning line of a Walker Patent Log during a trip to Acapulco. They grow on an unprotected surface whether a yacht is moving or standing still (look up "boundary layer". Because of the boundary layer in a flowing fluid, at the surface of a foil/hull/what-have-you the fluid isn't moving and barnacles will happily grow and flourish). FWIW...
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"It is not so much for its beauty that the Sea makes a claim upon men's hearts, as for that subtle something, that quality of air, that emanation from the waves, that so wonderfully renews a weary spirit."
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