RankProduct NameScore
1VIVOSUN 200W Aquarium Heater Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display and External Temperature ControllerVIVOSUN 200W Aquarium Heater Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display and External Temperature Controller
VIVOSUN
9.6GET ON AMAZON
2FREESEA 50W Mini Aquarium Fish Tank Heater with LED Temperature Display for Betta Fish, Frogs, Newts & TurtlesFREESEA 50W Mini Aquarium Fish Tank Heater with LED Temperature Display for Betta Fish, Frogs, Newts & Turtles
Guang Zhou City Freesea Industrial Co.,Ltd
9.6GET ON AMAZON
3Betta Fish Tank Heater, 25W Mini Aquarium Heaters with 2 Artificial Plants 1 Stick-on Thermometer Strip Energy-efficient Water Warmer Temperature Controller Smart Thermostat for 3-5 Gallon TankBetta Fish Tank Heater, 25W Mini Aquarium Heaters with 2 Artificial Plants 1 Stick-on Thermometer Strip Energy-efficient Water Warmer Temperature Controller Smart Thermostat for 3-5 Gallon Tank
ZEETOON
9.4GET ON AMAZON
4FREESEA 25 Watt Aquarium Betta Fish Tank Heater with Aquarium Submersible ThermometerFREESEA 25 Watt Aquarium Betta Fish Tank Heater with Aquarium Submersible Thermometer
FREESEA
9.0GET ON AMAZON
5FREESEA 100W Mini Aquarium Fish Tank Heater with LED Temperature Display for Betta Fish, Frogs, Newts & TurtlesFREESEA 100W Mini Aquarium Fish Tank Heater with LED Temperature Display for Betta Fish, Frogs, Newts & Turtles
FREESEA
9.0GET ON AMAZON
6Tetra 26445 Fauna Aquatic Reptile Heater For Frogs, Newts & Turtles,100 WattTetra 26445 Fauna Aquatic Reptile Heater For Frogs, Newts & Turtles,100 Watt
Tetra
8.8GET ON AMAZON
7MQ Titanium Alloy 50W Aquarium Heater for Salt and Fresh Water, Digital LED Display Submersible Heater with External Thermostat Controller, for Fish Tank 5-15 GallonMQ Titanium Alloy 50W Aquarium Heater for Salt and Fresh Water, Digital LED Display Submersible Heater with External Thermostat Controller, for Fish Tank 5-15 Gallon
MQ
8.6GET ON AMAZON
8SunGrow Betta Plakat Heater, 10-Watt Submersible Aquarium Water Heater for Small Tanks (1.5-Gallons), with Preset Temperature Capability, Suction Cups IncludedSunGrow Betta Plakat Heater, 10-Watt Submersible Aquarium Water Heater for Small Tanks (1.5-Gallons), with Preset Temperature Capability, Suction Cups Included
Luffy Pets Collection
8.4GET ON AMAZON
9Penn Plax Aquarium Heater Fully Submersible Within 1 Degree of Accuracy 25 Watt Heats Up to 5 Gallon TankPenn Plax Aquarium Heater Fully Submersible Within 1 Degree of Accuracy 25 Watt Heats Up to 5 Gallon Tank
Monster Pets
8.3GET ON AMAZON
10Aqueon 100101230 Flat Submersible Heater, Black,7.5W, up to 3 gallonAqueon 100101230 Flat Submersible Heater, Black,7.5W, up to 3 gallon
Aqueon
8.2GET ON AMAZON