Congrats Wendy, that sure took a looong time, its usually gone after a couple of weeks of treatment..like Gary said..carbon will clear that water up from any residues of formalin..I would say ...you could drip him after taking the formalin out of the water..you can drip him in a container for a few hours..to make sure he gets acclimated..thats how i would do it..anyways..good luck!