Right, I've got my hand on one of these and thought it might do my panaque tank some good, but they look pretty complicated. Has anyone ever used one of these and whats the general opinion?
From looking at the german booklet i'm guessing it makes some kind of slime that eats nitrate, is that the gist of it?
From looking at the german booklet i'm guessing it makes some kind of slime that eats nitrate, is that the gist of it?