

Given that the (Norwegian) Fish Farms on the coast of BC almost annihilated the natural salmon due to the lice and other ecosystem damage, something to destroy the lice might be a little bit helpful. Although it might only be helpful to the penned fish and not the surrounding environment.
One of my pet peeves is how many new things do not come with a manual and I have to go and find one. I am one of the fortunate ones who can learn by reading and then trying. It seems that many cannot.