Features
Tropical Fish & Betta Keepers: Worried about sudden temperature drops in your 3-10 gallon tank stressing or even harming your fragile aquatic pets? Our preset 78°F thermostat maintains a safe, stable paradise.
From Temperature Swings to Precision Stability: Erratic fluctuations cause stress and illness → Preset thermostat & accurate thermometer maintain perfect warmth for active, healthy fish.
From Anxiety to Peace of Mind: Stop constantly worrying and checking the tank. Our heater with advanced Off-Water Protection automatically shuts off for safety, giving you confidence and allowing you to simply enjoy the beauty of your aquarium.
Ideal for a wide range of setups: Betta bowls, nano shrimp tanks, desktop aquariums in offices, or hospital tanks for sick fish. Its compact, fully submersible design fits discreetly in any small aquatic environment.
Certified Safe & Reliable: Backed by UL/SGS certification and crafted with shatterproof quartz glass. A proven choice trusted by thousands of aquarists.
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Finnex Titanium Aquarium Heater, Premium Nickel Coil, Large 19mm D Tube, Heater Guard (300 Watts)
Aquarium Heaters & Chillers - Finnex Titanium Aquarium Heater, Premium Nickel Coil, Large 19mm D Tube, Heater Guard (300 Watts)
Aquarium Heaters & Chillers - Aquarium Chiller, Fish Tank Cooling Fan System for Salt Fresh Water, 2 Variable Speed, Wide Angle Adjustable (3-Fan)
Zoo Med TURTLETHERM Automatic Preset Aquatic Turtle Heater (Up to 100 Gallons) 300 Watt
Aquarium Heaters & Chillers - Zoo Med TURTLETHERM Automatic Preset Aquatic Turtle Heater (Up to 100 Gallons) 300 Watt
Aquarium Heaters & Chillers - hygger 500W Metal Steel Aquarium Heater for Fresh Water, Digital Submersible Heater with Built-in Thermometer, External LCD Display Thermostat Controller, for Fish Tank 60-120 Gallon
Aquarium Heaters & Chillers - Submersible Aquarium Heater 300w 100w 200w, Fish Tank Water Heater and Thermometer with Adjustable Temperature for 20 Gallon,30 Gallon, 50 Gallon Tank,with 2 Pieces Suction Cup Suckers 200w
Aquarium Heaters & Chillers - Advatec Premium Polymer Aquarium Heater with Advanced LED Temperature Control System - for Fresh & Saltwater Aquariums (250 Watts / 70-90 Gallons)
Aquarium Heaters & Chillers - YIYIBYUS Adjustable Aquarium Chillers Cooling Fan, 4/6Head Aquarium Chiller Fish Tank Cooling Fan System for Freshwater and Saltwater Aquariums (6Head)
Aquarium Heaters & Chillers - KINGYEENUO 50W Aquarium Heater, Submersible Temperature Adjustable Aquarium Heater, for 10-20 Gallons Tank, Betta Turtle/Fish Tank Heater, Built-in Thermostat Control, with Extra Sucker Cup
Aquarium Heaters & Chillers - QUEWATSA 15/42 Gallon Aquarium Chiller, 1/10 HP Fish Tank Water Cooler with Compressor Refrigeration Pump Special Quiet Design Refrigeration Compressor for Axolotl Coral Jellyfish (60L/15Gallon)
