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Jeff

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First recorded activity by BoatBanter: Aug 2006

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Bottom growth in New England?

wrote:
On Thu, 26 Mar 2009 17:58:00 -0400, jeff wrote:

Normally, my catamaran powers at about 7.5 knots, but on its last trip
last fall, it could only muster about 6 knots. I assumed it was do to a
foul bottom as the boat had not moved for the previous month, and I had
gone 2 years on the bottom paint. Indeed the bottom, and especially the
aft sections around the saildrives, was a mess, both with barnacles and
some type of small clam-like critter.

I didn't think much about it until someone at the yard said he had the
same problem - his Seidleman could only get to 4 knots at the end of the
season, and he said other owners reported the same thing.

So my question is, was last fall particularly bad for growth in New
England, especially Boston Harbor?

I think you should go back to Micron Extra! No matter what, I never
have even a single barnacle attached. All I get is slime and fuzz,
which wipes off pretty easily.

Well perhaps, but the stuff I had on (old version CPP formulated then by
Petit but since changed I believe) worked pretty good for almost 2
seasons, at half the price. There was no speed reduction during my last
trip of the summer; it was only going to the haulout in mid October that
the problem was apparent. And the worst of the fouling was on parts
where I can't use copper paint anyways, the Saildrives. In any case,
I've got two gallons of Blue Water Copper Shield 45 ready to go on this
Spring.

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