![HITOP Adjustable Aquarium Heater with Protective Cover, 50W 100W 120W Fish Tank Heater for 10/20/30 Gallon Fish Tank or Turtle Tank : Amazon.ca: Pet Supplies HITOP Adjustable Aquarium Heater with Protective Cover, 50W 100W 120W Fish Tank Heater for 10/20/30 Gallon Fish Tank or Turtle Tank : Amazon.ca: Pet Supplies](https://m.media-amazon.com/images/I/71sPDfLqcDL._AC_UF1000,1000_QL80_.jpg)
HITOP Adjustable Aquarium Heater with Protective Cover, 50W 100W 120W Fish Tank Heater for 10/20/30 Gallon Fish Tank or Turtle Tank : Amazon.ca: Pet Supplies
![✓ Best Aquarium Heater For 20 Gallon Tank: Aquarium Heater For 20 Gallon Tank | [Tested & Reviewed] - YouTube ✓ Best Aquarium Heater For 20 Gallon Tank: Aquarium Heater For 20 Gallon Tank | [Tested & Reviewed] - YouTube](https://i.ytimg.com/vi/83JID7465RI/maxresdefault.jpg)
✓ Best Aquarium Heater For 20 Gallon Tank: Aquarium Heater For 20 Gallon Tank | [Tested & Reviewed] - YouTube
![Amazon.com: 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 100w : Pet Supplies Amazon.com: 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 100w : Pet Supplies](https://m.media-amazon.com/images/I/514vqBClgZL.jpg)
Amazon.com: 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 100w : Pet Supplies
![American Paws Pet Products 20 Gallon Aquarium Heater 100 Watt Fully Submersible Fresh & Salt Water Fish Tank Warmer with Thermostat : Amazon.ca: Pet Supplies American Paws Pet Products 20 Gallon Aquarium Heater 100 Watt Fully Submersible Fresh & Salt Water Fish Tank Warmer with Thermostat : Amazon.ca: Pet Supplies](https://m.media-amazon.com/images/I/61v9YYC9PoL._AC_UF1000,1000_QL80_.jpg)
American Paws Pet Products 20 Gallon Aquarium Heater 100 Watt Fully Submersible Fresh & Salt Water Fish Tank Warmer with Thermostat : Amazon.ca: Pet Supplies
![What do you recommend for a heater for a 20 gal? I got the aquarium kit from PetSmart but have read that the heaters suck/ are unreliable… and would rather not come What do you recommend for a heater for a 20 gal? I got the aquarium kit from PetSmart but have read that the heaters suck/ are unreliable… and would rather not come](https://preview.redd.it/asu5ezlqu2j81.jpg?auto=webp&s=b54144a2f414f6b03cc252f5ea55debe2d043997)
What do you recommend for a heater for a 20 gal? I got the aquarium kit from PetSmart but have read that the heaters suck/ are unreliable… and would rather not come
![HiTauing 200W/300W/500W Submersible Aquarium Heater for 20-130 Gallon - Upgraded Double Quartz Tubes Fish Tank Heater with HD Temperature Digital Display - Suitable for Freshwater and Saltwater : Amazon.ca: Pet Supplies HiTauing 200W/300W/500W Submersible Aquarium Heater for 20-130 Gallon - Upgraded Double Quartz Tubes Fish Tank Heater with HD Temperature Digital Display - Suitable for Freshwater and Saltwater : Amazon.ca: Pet Supplies](https://m.media-amazon.com/images/I/71hSbeiv4NL._AC_UF1000,1000_QL80_.jpg)
HiTauing 200W/300W/500W Submersible Aquarium Heater for 20-130 Gallon - Upgraded Double Quartz Tubes Fish Tank Heater with HD Temperature Digital Display - Suitable for Freshwater and Saltwater : Amazon.ca: Pet Supplies
![INKBIRD Titanium Aquarium Heater for Freshwater or Saltwater Tanks 300W Submersible Fish Tank Heater with Smart IC Chip andWaterproof LCD Screen Adjustable Heating Temperature 68℉-94℉(20°C-34°C) : Amazon.ca: Pet Supplies INKBIRD Titanium Aquarium Heater for Freshwater or Saltwater Tanks 300W Submersible Fish Tank Heater with Smart IC Chip andWaterproof LCD Screen Adjustable Heating Temperature 68℉-94℉(20°C-34°C) : Amazon.ca: Pet Supplies](https://m.media-amazon.com/images/I/61NpYD54F2L.jpg)
INKBIRD Titanium Aquarium Heater for Freshwater or Saltwater Tanks 300W Submersible Fish Tank Heater with Smart IC Chip andWaterproof LCD Screen Adjustable Heating Temperature 68℉-94℉(20°C-34°C) : Amazon.ca: Pet Supplies
![ZHGSERVU Aquarium Heater 100W Fish Tank Heater Submersible Auto Thermostat 100 Watt Turtle Tank Heater 10 Gallon 20 Gal 30 Gallon with Protective Sleeve and 3 Suckers : Amazon.ca: Pet Supplies ZHGSERVU Aquarium Heater 100W Fish Tank Heater Submersible Auto Thermostat 100 Watt Turtle Tank Heater 10 Gallon 20 Gal 30 Gallon with Protective Sleeve and 3 Suckers : Amazon.ca: Pet Supplies](https://m.media-amazon.com/images/I/71qt+IyzQEL._AC_UF894,1000_QL80_.jpg)
ZHGSERVU Aquarium Heater 100W Fish Tank Heater Submersible Auto Thermostat 100 Watt Turtle Tank Heater 10 Gallon 20 Gal 30 Gallon with Protective Sleeve and 3 Suckers : Amazon.ca: Pet Supplies
![Abustle pig Mini Aquarium Heater,25W/50W Small Submersible Fish Tank Betta Heater Thermostat with Free Thermometer Sticker, Under 6 Gallon Fish Tanks (25 W) : Amazon.ca: Pet Supplies Abustle pig Mini Aquarium Heater,25W/50W Small Submersible Fish Tank Betta Heater Thermostat with Free Thermometer Sticker, Under 6 Gallon Fish Tanks (25 W) : Amazon.ca: Pet Supplies](https://m.media-amazon.com/images/I/61Wv7BB4B8L.jpg)