FWIW, Practical Sailor gave ePaint's ZO-HP very high marks shortly after it hit the market. Rather than use a biocide, the paint outgasses hydrogen peroxide or something in sunlight, which the critters don't like. Being environmentally aware (and incorrectly believing EPA would soon ban copper paints), I painted my Custom 42 with ZO-HP about eight years ago and was disappointed in several particulars: 1) the cost is higher than most bottom paints; 2) the application conditions (temp/humidity) are relatively narrow; 3) it took a while for the paint to become hard, a result of which was surface scarring caused by the travel lift straps the first year; 4) the area near the waterline sloughs off and needs to be repainted annually (which is more ablative than hard in my view); 5) for freshwater, the paint did not perform any better than VC17 or my personal favorite, Baltoplate; 6) after two coats (each two years apart), the paint started "cratering" here and there (i.e., patches of the surface layer would come off, leaving a crater-like uneven surface); and 7) it is very difficult to remove with sandpaper after it's been on for a couple years. In short, although I liked the owner of the ePaint company, I suggest passing on ZO-HP.
From: David Knecht <davidakne...@gmail.com> Sent: Monday, September 21, 2020 2:27 PM To: CnC CnC discussion list <cnc-list@cnc-list.com> Subject: Stus-List Re: Bottom paint Here is a link to the Practical Sailor tests of bottom paint. SR60 did about as well as many in those tests. Dave https://www.practical-sailor.com/boat-maintenance/paints/marine-maintenance- bottom-paint-test-results <https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fwww.practical-sailor.co m%2fboat-maintenance%2fpaints%2fmarine-maintenance-bottom-paint-test-results &c=E,1,WckyhQoNvBWBkSGkIzeKvp2dfNxzXMSLNaqLDbXaojYIYn90PoLog8lMyw3-kazLwijvg w222QVpiiFw7m43yUtAZXlYLRNvNc1YahGaUaa-oGO7MsDW&typo=1> S/V Aries 1990 C&C 34+ New London, CT
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