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Old 24 August 2012, 16:49   #1
Country: USA
Make: Avon S400
Length: 4m +
Join Date: Aug 2009
Posts: 62
Barnacle removal

Anyone have experience with removing barnacles from a hypalon boat?

There is an Avon for sale near me, but there is quite a lot of barnacle growth on the bottom. Otherwise it is in good shape.

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Old 24 August 2012, 20:57   #2
Razorbill's Avatar
Country: UK - England
Town: The West End, Penryn.
Boat name: Jenny Haniver
Make: Pacific 8313
Length: 6m +
Engine: Mermaid Turbo 4
Join Date: Jun 2007
Posts: 134
Not very environmentally friendly but a good dose of Hypochlorite in a pump spray bottle will all but dissolve the shell. Follow up with a stiff deck brush and pressure washer but take care as its basically strong bleach!!
I would have plenty of freshwater on hand or a hose to dilute and wash down.

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Old 25 August 2012, 04:09   #3
Country: UK - N Ireland
Town: Bangor,Co Down
Make: Gemini/ Avon
Length: 4m +
Join Date: Jul 2003
Posts: 166
I used a Balco scrapper on one of mine and literally shaved them off. Didn't seem to do much damage to the hypalon. Had to be careful with the sharp edges of the tunsten blade as it could have ripped into the fabric. If you use a pressure washer be careful with the nozzle setting as the needle jet function can lift the outer coating layer of the hypalon and wreck the seams.
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