Best Freshwater Aquarium Heaters

HITOP HP-608 Submersible Aquarium Heater 25W 50W With Thermometer and Extra Sucker Cup (25W)

Interpet Deltatherm Aquarium Fish Tank Heater, adjustable, for Tropical and Marine, 300 W, for aquariums up to 270 litres, Black

Fluval T50 Fully Electronic Heater for Freshwater Aquariums up to 15 Gal.

hygger Submersible Aquarium Heater, Fish Tank Heater with Digital LED Controller & Intelligent Water Outflow Overheating Protection System, Suitable for Saltwater & Freshwater (800W for 300-800L Tank)

dleason 200W Small Submersible Aquarium Heater with temperature display Fish Tank for 5-10 Gallons Freshwater & Saltwater Tanks (200W)

PYPABL 25W 50W 100W 300W Aquarium Heater, Submersible Glass Heater for 5L-300Litres Fish and Turtle Tank (50W for 15-55L)

HiTauing Aquarium Heater, 50W/100W/300W/500W Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off When Leaving Water for Saltwater and Freshwater

FEDOUR Aquarium PTC Heater with Controller: 200W 400W Digital Heater for Fish Tank and Turtle Tank 100-400L, Submersible Aquarium Heater with Protective Cover

hygger Aquarium Heater, 500W Variable Frequency Submersible Fish Tank Heater with External Color LED Digital Display Thermostat Controller, for 225-450L Freshwater Saltwater Tank

NICREW Fish Tank Heater, Submersible Aquarium Heater with External Temperature Controller, for Fish Tanks up to 70 Liters, 100W