Heaters

Mounts on the outside of your aquarium.

Ideal for desktop aquariums up to 5 gallons.

Precision calibrated aquarium heaters.

Precision calibrated aquarium heaters.

Precision calibrated aquarium heaters.

Precision calibrated aquarium heaters.

Precision calibrated aquarium heaters.

Digital Aquarium Thermometer is fully submersible. Digital readout faces forward in the tank....

Used to secure one siphon or uplift tube.

Visi-Therm– Submersible Heaters from Marineland feature direct-set control, guaranteed...

Submersible heater created especially for aquariums ranging from 2 to 10 gallons.

These suction cups will help keep the Visa-Therm heater in place.

Visa-Therm deluxe heater helps your aquarium maintain a constant ideal water temperature...

Visa-Therm deluxe heater helps your aquarium maintain a constant ideal water temperature...

Visa-Therm deluxe heater helps your aquarium maintain a constant ideal water temperature...

Visa-Therm deluxe heater helps your aquarium maintain a constant ideal water temperature...

Visa-Therm deluxe heater helps your aquarium maintain a constant ideal water temperature...

Visa-Therm deluxe heater helps your aquarium maintain a constant ideal water temperature...

Visa-Therm deluxe heater helps your aquarium maintain a constant ideal water temperature...

This convenient small round heater fits most fish or Betta bowls.