There are limits on the release rate. We still use copper pipe in Australia for hot water service.
The aim with the copper powder in resin is to kill anything that is inclined to attach to the surface. It should not really release copper but pure copper in contact with sea water will eventually corrode away.
This gives some insight:
https://www.copper.org/publications/newsletters/innovations/2003/11/Cu_hull_sheathing_gg.html
On 6 Nov 2018, at 7:50 am, Björn bjornmail@gmail.com [harryproa] <harryproa@yahoogroups.com.au> wrote:Aren't there any regulations against the use of copper in anti fouling paint on boats in the big oceans?
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Posted by: Rick Willoughby <rickwill@bigpond.net.au>
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