Why would a barnacle happily stick to a poor zinc but eschew sticking to zinc paint? Not logical. If it really did work, wouldn’t you expect bottom paints to include vast proportions of zinc? As much as I hoped it would help, there is no logic here therefore don’t waste your time.
One possible advantage “might” be that the barnacles can’t get as much of a grip on paint and might release easier, but my pressure washing experience says that is not the case. In any event, the little buggers still cling on.
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Don't believe everything that you think.
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