Join Date: Sep 2003
Location: Auckland New Zealand
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Re: Bottom paint on prop
Paul- I've been using Trilux spray antifouling designed for outboards and sterndrives for several years now and it lasts for 2-3 years with only an occasional barnacle. My brother's boat, kept in the same marina was covered with growth in a year and a half. I initially prime the prop and shaft (tape off any zincs) with zinc chromate spray and then two coats of the Trilux.
Interlux Paint Interlux Trilux Boat Prop & Drive Antifouling Spray Paint
FWIW my experience with Trilux is that it probably did as much good as leaving the prop naked. And that stuff is not that much less expensive that Propspeed - in NZ we pay around $100 a litre.
I've been told by the "experts" that Trilux is intended for aluminium and isn't expected to work on bronze components. Seemingly their ad appears to confirm:
"specially formulated with Biolux to be the safest & most effective product for use on aluminum
outdrives & outboards."
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