Well, it's been about two years now, and I haven't seen
much growth on the bottom of my Cal. I'm not sure if
this anecdotal evidence has convinced me to try it again,
but I'm not displeased. I added this stuff to the paint and
mixed it in pretty well. So far so good. I'm going to have
the boat hauled in a couple of months, and then I'll know
more.

Has anyone tried this?