I have a 25 gallon fresh water tank with mainly glo fish and 2 head and tail light fish, I have a 5 gallon saltwater with 2 blue legged hermits and 1 red legged hermit, I have a 75 gallon saltwater tank with 2 yellow tail damsels, a porcupine puffer fish who is... drum roll ...going on 19 years of age and I have a purple dottyback in there. I also have a 25 gallon saltwater tank that houses a Green Spotted Puffer that I acclimated over time from fresh then brackish now full salt.