Cruising Sailors Forum Archive
We use PropSpeed
In Response To: Saw this prop coat at the Portland (OR) boat show today....no money changed hands. 
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It works well. You have to prep the shaft and prop (as well as the struts, etc.); and, then you DO NOT TOUCH it.
We paint every other year; but have the hull wiped down during the season every 2-4 weeks. This has kept ANY barnacles off the metal gear down there.