![Amazon.com: Dreyoo 2 Set Aquarium Fish Tank Heater, 300W Submersible Aquarium Heater with Thermometers and 4 Suckers, Adjustable Knob Aquarium Water Heater Built in Thermostat for 40-55 Gallon Aquariums : Pet Supplies Amazon.com: Dreyoo 2 Set Aquarium Fish Tank Heater, 300W Submersible Aquarium Heater with Thermometers and 4 Suckers, Adjustable Knob Aquarium Water Heater Built in Thermostat for 40-55 Gallon Aquariums : Pet Supplies](https://m.media-amazon.com/images/I/712MphKAXYL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Dreyoo 2 Set Aquarium Fish Tank Heater, 300W Submersible Aquarium Heater with Thermometers and 4 Suckers, Adjustable Knob Aquarium Water Heater Built in Thermostat for 40-55 Gallon Aquariums : Pet Supplies
![Amazon.com: MantaMaze 500W/800W/1000W Titanium Aquarium Heater - Submersible Fish Tank Heater for 50-300 Gallon with Over Heating Protection and Anti-Dry Burning - Suitable Freshwater and Saltwater : Pet Supplies Amazon.com: MantaMaze 500W/800W/1000W Titanium Aquarium Heater - Submersible Fish Tank Heater for 50-300 Gallon with Over Heating Protection and Anti-Dry Burning - Suitable Freshwater and Saltwater : Pet Supplies](https://m.media-amazon.com/images/I/71kM13wdc-L._AC_UF350,350_QL80_.jpg)
Amazon.com: MantaMaze 500W/800W/1000W Titanium Aquarium Heater - Submersible Fish Tank Heater for 50-300 Gallon with Over Heating Protection and Anti-Dry Burning - Suitable Freshwater and Saltwater : Pet Supplies
![Amazon.com: ZEETOON 25W Aquarium Heater, Automatic Thermostat Betta Fish Tank Heaters, Tortoise Small Water Warmer for 2-5 Gallon Container with 1 Stick-on Thermometer Strip : Pet Supplies Amazon.com: ZEETOON 25W Aquarium Heater, Automatic Thermostat Betta Fish Tank Heaters, Tortoise Small Water Warmer for 2-5 Gallon Container with 1 Stick-on Thermometer Strip : Pet Supplies](https://m.media-amazon.com/images/I/71+LZGw3P7L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: ZEETOON 25W Aquarium Heater, Automatic Thermostat Betta Fish Tank Heaters, Tortoise Small Water Warmer for 2-5 Gallon Container with 1 Stick-on Thermometer Strip : Pet Supplies
![MQ Submersible Aquarium Heater Auto Thermostat, 200W/300W/500W Fish Tank Heater with LCD Digital Aquarium Thermometer, Shatter-Proof and Blast-Proof 300W for Fish Tank 35-60 Gallon MQ Submersible Aquarium Heater Auto Thermostat, 200W/300W/500W Fish Tank Heater with LCD Digital Aquarium Thermometer, Shatter-Proof and Blast-Proof 300W for Fish Tank 35-60 Gallon](https://www.gosupps.com/media/catalog/product/cache/25/image/1500x/040ec09b1e35df139433887a97daa66f/7/1/71qddjubNXL._AC_SL1000_.jpg)
MQ Submersible Aquarium Heater Auto Thermostat, 200W/300W/500W Fish Tank Heater with LCD Digital Aquarium Thermometer, Shatter-Proof and Blast-Proof 300W for Fish Tank 35-60 Gallon
![Amazon.com: hygger 50W Mini Inline Quartz Glass Aquarium Heater with External Controller, Adjustable Submersible Betta Fish Tank Thermostat for 5-15 Gallon : Pet Supplies Amazon.com: hygger 50W Mini Inline Quartz Glass Aquarium Heater with External Controller, Adjustable Submersible Betta Fish Tank Thermostat for 5-15 Gallon : Pet Supplies](https://m.media-amazon.com/images/I/61JIEIkReIL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: hygger 50W Mini Inline Quartz Glass Aquarium Heater with External Controller, Adjustable Submersible Betta Fish Tank Thermostat for 5-15 Gallon : Pet Supplies
![Amazon.com: FREESEA Aquarium Fish Tank Heater: 100 Watt Submersible Betta Heater - Adjustable Thermostat with Thermometer for 15-25 Gallon Marine | Saltwater | Freshwater : Pet Supplies Amazon.com: FREESEA Aquarium Fish Tank Heater: 100 Watt Submersible Betta Heater - Adjustable Thermostat with Thermometer for 15-25 Gallon Marine | Saltwater | Freshwater : Pet Supplies](https://m.media-amazon.com/images/I/61qXFexDrVL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: FREESEA Aquarium Fish Tank Heater: 100 Watt Submersible Betta Heater - Adjustable Thermostat with Thermometer for 15-25 Gallon Marine | Saltwater | Freshwater : Pet Supplies
Api P7621 1000 Watt Thermostatic Winter Floating Aquarium Fish Pond Water Deicer Heater For 70 To 100 Gallon Ponds : Target
Looking at heater options for a possible 1000 gallon tank | REEF2REEF Saltwater and Reef Aquarium Forum
![TJV-1000A - AO Smith TJV-1000A - 1,000 Gallon Custom-Line Jacketed & Insulated ASME Commercial Storage Tank TJV-1000A - AO Smith TJV-1000A - 1,000 Gallon Custom-Line Jacketed & Insulated ASME Commercial Storage Tank](https://www.supplyhouse.com/images/products/zoom/tj-80s-2.jpg)
TJV-1000A - AO Smith TJV-1000A - 1,000 Gallon Custom-Line Jacketed & Insulated ASME Commercial Storage Tank
![Amazon.com: PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78℉) : Pet Supplies Amazon.com: PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78℉) : Pet Supplies](https://m.media-amazon.com/images/I/61PrJ9gAPSS._AC_UF1000,1000_QL80_.jpg)