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.
$36.49Titanium Heating Element Fully Submersible Adjustable Temperature Setting Easy To Read LCD Temperature Compact Design Remote Temperature Sensor For Use In Fresh and Saltwater Temperature Range Is From 68-93... Learn More