Aquarium HeatersA quality heater is necessary if you intend to maintain a successful tropical freshwater, marine fish or reef system. Temperature fluctuations often go unnoticed by aquarists and can cause stress to fish and corals. Most heaters include a built-in thermostat to select the optimal temperature for your aquarium.
In this digital age of the Internet, fast computers, and handy gadgets, it only makes sense that even aquarium equipment gets an upgrade. Gone were the days when you had to squint at a thermometer to check the temperature of your ...ONLY$69.99