I have nearly 1000 gallons of cichlids and I have had no sickness in years. All my pairs breed regularly, and the fry grow quickly as do all the adult fish. I also have well water so I don't have to add any chemicals or
Prime to my water so all it costs me is the power consumption. I feel that my fish are all thriving and that alone is worth the effort. I probably could get away with less but compared the effort I have to put in to all of the animals on our ranch, this is simple.