Heaters to heat up the water in your tank. These are fully submersible heaters that warm the water inside the tank up so make a suitable environment for your aquatic animals. Made with advanced technology and an advanced design. Waterproof double seal for safety as well as a mains light / power indicator to show when the power is on and heater is working. Also features a built in thermostat for extra adjustability and to manually adjust temperature wanted in the water. 

Also available, sold seperately: Thermometers and Suckers for your heater for either inside or outside your tank. Glass thermometers that can be floated inside your aquarium, LCD Thermometers for the outside of your tank and battery operated thermometers for the outside of your aquarium, with a digital display. Also, rubber, fish safe heater suckers to stick your heater safely and securely inside your aquarium.