i own two pixies and one pacman but never a bufo...but i use this water treatment stuff i got from wal mart called Stress Coat....works great.. and isnt too expensive...like 5 bucks a little bottle and should last u like 1 year or even longer....but as for feeding ur frog dog food?? i dont know if thats safe or not...i feed my cockroaches dog food but i wouldnt try giving it to my frogs....maybe someone else might know more bout it