If you want an ablative
If you want an ablative that won't build up over time and one that will actually ablade (wear away)the Petit line is better than Interlux in my personal experience. CSC & Extra don't begin to ablade or wear away until 6-7 knots. Most sailboats don't maintian these speeds long enough and a while you get build up.
I have now done three complete bottom jobs on three seperate boats and learned the hard way with CSC & Extra. Pettit Ultima (SSA- SSA Super Soft Ablative) is perhaps the best low speed multi-season ablative for sailboats. It begins to ablade at 2-3 knots according to tech support and is works extremely well for sailboats if you don't want a thick flaking paint build up at ten or twelve years out. Pettit Hydrocoat is like CSC or Extra and does not begin to ablade until higher speeds.
The whole idea of an ablative is to avoid build up and expose new paint to marine growth. If your boat can't go the speeds necessary to activate the ablading action of a paint, why use it..??
Just my experience after using both the Micron line and the Pettit stuff...
-Maine Sail / CS-36T
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Last edited by Maine Sail; 03-22-2010 at 12:25 PM.