Ok I am new to this site but I have a question. I just finished setting up a 55 gallon freshwater tank. I have the filter situtation taken care of, lighting is done, but I need help with the heating. I am using this tank right now for oscars and the information that I have so far is that they require a high temp (around 86 or 88 from what I was told). I am leaning toward using the Visi-Therm Stealth heater. I have heard that it is better to use two smaller ones to heat the long tank evenly. My question is what watt heater should I get? I want them to easily heat the tank but not cook my fish. Also if anyone knows a cheap site to order them from let me know. Any advice about my current setup would be helpful, this is my first large setup and I want to get is right.