Quote:
Originally Posted by fishoholic
FYI the only thing that treats velvet is a copper treatment or formalin. Not sure what uni marin is, but if it doesn't have copper or formalin in it, it's doubtful it will work.
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malachite green works the same way as formalin only its way more carcinogenic. I'm surprised you can even get it still, they won't let us use it on our experimental fish at work, its great for ectoparasites and skin infections.