Join Date: Feb 2009
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There are several that could work well for you, but its important to check compatibility. Check the Petit web site for as they have a compatibility chart. I have used Petit Hydrocoat for the past few years in the Chesapeake with success...As previously noted, they "work" at slower speeds relative to Micron CSC. If my ablative didn't work under 6 knots, my boat would have a permanent beard too.
If the existing paint is in good shape/smooth, and is compatible with what you want to change to, you should be able to get a couple of years out of ablative paint with minor spot sanding/touch up. But paint the whole thing. A quick scrub with a scotch brite pad is all that's really needed to expose fresh paint before splashing the second year.
BUT in order for any of these paints to work/ablate, the boat has to move regularly, especially in early/mid summer when barnacles are reproducing rapidly, and all season for slime. If your does not get out as much as you'd like, get someone in the water to clean it regularly as nothing will stop the growth entirely.
Be sure to get that prop scraped clean too as it will be a barnacle ball if ignored.