Interesting , but manages to say not very much .
Having used a variety of anti-foul products over the years, the best course of action is to use your boat a lot!
A few days sailing in F5-F6 will remove most of the slime growth. Might not dislodge any mussel spats on your keel but it will help.
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I agree with you 100% I'm going to try to find out more tomorrow.