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Old 27-11-2019, 10:15   #1
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Bottom Paint

Will be painting the bottom of my boat this spring (first time for me) and need some recommendations as to best type. Sailing
the West Coast of BC. Vancouver.
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Old 27-11-2019, 10:37   #2
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Re: Bottom Paint

I applied two coats of this to my sailboat in Feb 2018
Boat was kept in water , sailed from
Tampa to NYC August 2018 kept in water Barnegat bay nj until September 2019 when hauled . No growth anywhere except prop . Not sure how effective copper based ablative is where you are but I'm convinced! At about $100 a gallon two gallons was more than plenty for my 34 ft Sabre.

https://www.bottompaintstore.com/boa...e-p-33313.html
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Old 27-11-2019, 10:52   #3
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Re: Bottom Paint

Quote:
Originally Posted by pesarsten View Post
I applied two coats of this to my sailboat in Feb 2018
Boat was kept in water , sailed from
Tampa to NYC August 2018 kept in water Barnegat bay nj until September 2019 when hauled . No growth anywhere except prop . Not sure how effective copper based ablative is where you are but I'm convinced! At about $100 a gallon two gallons was more than plenty for my 34 ft Sabre.

https://www.bottompaintstore.com/boa...e-p-33313.html
That's a pretty good price/performance ratio!

When buying "cheap" bottom paint, make sure you check the expiry date. Not saying that this is the case here by any means, just a general warning.
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Old 27-11-2019, 10:53   #4
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Re: Bottom Paint

Quote:
Originally Posted by Doug Rutherford View Post
Will be painting the bottom of my boat this spring (first time for me) and need some recommendations as to best type. Sailing
the West Coast of BC. Vancouver.
I'm a big fan of Pettit Trinidad SR.
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Old 27-11-2019, 10:56   #5
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Re: Bottom Paint

One thing to really consider with any paint is compatibility. Even if you're not painting over an existing coat remember that at some point you will be re-painting and may mean the difference between completely stripping the bottom an painting versus a light sanding and re-paint if you can't find or don't have access to 'your brand'.
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Old 27-11-2019, 11:00   #6
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Re: Bottom Paint

Oh and we use Interlux CSC micron for similar area (SE Alaska).
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Old 27-11-2019, 11:59   #7
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Re: Bottom Paint

I've had good luck with Micron 66. Lasts 2.5 to 3 years, cruising the Inside Passage at 7 knots for 4.5 months, tied up in Poulsbo the rest of the year.
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Old 27-11-2019, 14:38   #8
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Re: Bottom Paint

As with all of these "what bottom paint" ?s, ask your neighbors. Ususally varies with location.
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Old 27-11-2019, 14:57   #9
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Re: Bottom Paint

It puzzles me why there isn't a bottom paint that works completely.

There are a lot of non organic natural things underwater that don't attract growth, some rocks for example, are clean and some are covered in slime and barnacles. What is it about the clean ones that resist growth ?
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Old 27-11-2019, 15:07   #10
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Re: Bottom Paint

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It puzzles me why there isn't a bottom paint that works completely.
I'm sure the paint manufacturers (who have spent decades and tens of millions of dollars, if not more, in R&D) would love to know the answer to that as well.
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Old 27-11-2019, 19:58   #11
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Re: Bottom Paint

Quote:
Originally Posted by Dave_S View Post
It puzzles me why there isn't a bottom paint that works completely.

There are a lot of non organic natural things underwater that don't attract growth, some rocks for example, are clean and some are covered in slime and barnacles. What is it about the clean ones that resist growth ?
Biologically speaking, unless the rock exudes a toxic substance or perhaps is so slick and vertical that nothing sticks to it (i.e., lacking rugosity), then it's going to attract growth. And the type of growth varies depending on water temp, upwelling, light intensity, water clarity, etc. That's why it matters what your neighbors have found to work best in your area. Other variables include how good the prep job was, how often you sail, how harsh the bottom is scrubbed and so forth. It's kinda like SSB installations. You do your due diligence and then you sprinkle some magic fairy dust and do a little dance to the sea gods and then hope it somehow just works for the best

Fun facts about the crusty barnacle: https://oceanservice.noaa.gov/facts/barnacles.html
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Old 27-11-2019, 20:56   #12
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Re: Bottom Paint

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Fun facts about the crusty barnacle: https://oceanservice.noaa.gov/facts/barnacles.html
Fun facts that NOAA didn't feel you needed to know:

The natural history and taxonomy of barnacles was a special interest of Charles Darwin.

Relative to body size, barnacles have the largest penis of any animal on earth--up to eight times body length...

Just so you know...
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Old 22-07-2020, 07:14   #13
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Re: Bottom Paint

I personally think the Rust-Oleum marine flat boat, capable of impeding the emergence of barnacles, marine growth and algae and applicable to both freshwater and saltwater use. I like this product because it is a nice thick paint that spreads easily.
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Old 22-07-2020, 21:29   #14
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Re: Bottom Paint

Quote:
Originally Posted by billknny View Post
Fun facts that NOAA didn't feel you needed to know:

The natural history and taxonomy of barnacles was a special interest of Charles Darwin.

Relative to body size, barnacles have the largest penis of any animal on earth--up to eight times body length...

Just so you know...
Just where can he put his prodigious member?
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