I have read all of the thread for some years.
We applied the original CopperPoxy MANY years ago. As a matter of fact, I still have the original directions from the package. I can tell you we did it in the San Francisco Bay area and it was legal at the time. It was NOT as toxic as was stated.
After the application I had a diver inspect our boat (still in the SF Bay area) every 6 months, then once a year for about 6 years. I also had him give me a written report. He found NO hard growth on the boat and it was at his suggestion that he only visit us once every six month to a year to change the zinc.
In 04, we headed out under the Golden Gate bridge and headed south. Our CopperPoxy worked all the way down the Cal. coast, then up into the Sea of Cortex for total of about 11 years. Believe me, I was doing the diving after we departed marina life and I would KNOW if it had not worked.
After the life I was afraid it was going to be a problem applying anything else. What it turned out to be was that after the copper had leached out, only a sponge type of soft epoxy remained and a high pressure wash took that off.
I used to post over on the other board you pointed to, but I got so much greef from them that I no longer go there very often. I had so many people telling me that the product would not work, who had never tried it that I just gave up. I did note that MOST of the people speaking out bad about it were divers. Could it be cutting into there business??
So, we decided to go with it once more. By the way, the epoxy used in CopperPOxy and CopperCoat is NOT like the epoxy you pick up at the marine store or hardware store. THAT type will NOT work! The type used in the bottom coating allows some moisture to leach through so the copper can be released slowly.
So, the amount of faith I am putting into it is in relation to my actual experience I had with it before., and my first hand knoldge of other bottom paint that can be used on a boat that can be trailered.
Greg