Submersible Heaters
Product Reviews from your About Guides to Saltwater Aquariums on some of the most popular submersible aquarium heaters used in the hobby.
Hagen Tronic Submersible Heater
The Hagen Tronic Submersible heaters are well built heaters which come in five (25 to 300) wattages. These heaters are easy to use and garner high satisfaction among consumers.
Rena Cal Excel Aquarium Heater
The Rena Cal Excel aquarium heaters, manufactured by Aquarium Pharmaceuticals, Inc. are well constructed, using high quality components. They are easily adjusted to maintain the temperature within 1°F (from 66°F to 90°F).
Tetra Acura Aquarium Heater
The Tetra Acura heaters are heavy duty, well built heaters which heat evenly and consistently. These heaters are bit expensive by comparison, but they are ruggedly built and provide good temperature control.
Visi-Therm Aquarium Heater
The Visi-Therm heaters, by Aquarium Systems, are heavy duty, well built heaters which heat evenly and consistently. These heaters are at the top of the submersible heater price range, but they are well constructed and give years of reliable service.