![Amazon.com: Aqueon Small Aquarium Fish Tank Submersible Mini Flat Heater Up to 5 Gallon Aquariums, 10 Watts : Pet Supplies Amazon.com: Aqueon Small Aquarium Fish Tank Submersible Mini Flat Heater Up to 5 Gallon Aquariums, 10 Watts : Pet Supplies](https://m.media-amazon.com/images/I/71Mez5ATiLL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Aqueon Small Aquarium Fish Tank Submersible Mini Flat Heater Up to 5 Gallon Aquariums, 10 Watts : Pet Supplies
![Amazon.com: Aqueon Small Aquarium Fish Tank Submersible Mini Flat Heater Up to 5 Gallon Aquariums, 10 Watts : Pet Supplies Amazon.com: Aqueon Small Aquarium Fish Tank Submersible Mini Flat Heater Up to 5 Gallon Aquariums, 10 Watts : Pet Supplies](https://m.media-amazon.com/images/I/71Mez5ATiLL.jpg)
Amazon.com: Aqueon Small Aquarium Fish Tank Submersible Mini Flat Heater Up to 5 Gallon Aquariums, 10 Watts : 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?width=640&crop=smart&auto=webp&s=757cdecec80c5961120d157023fde092fa98ad2c)
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
![Tetra HT Submersible Aquarium Heater: HT10 Heater - 50 Watt - in Bath, PA - Phillips Pet Supply Outlet Tetra HT Submersible Aquarium Heater: HT10 Heater - 50 Watt - in Bath, PA - Phillips Pet Supply Outlet](http://phillipspetsupplyoutlet.com/cdn/shop/products/ht10_1200x1200.png?v=1660966733)
Tetra HT Submersible Aquarium Heater: HT10 Heater - 50 Watt - in Bath, PA - Phillips Pet Supply Outlet
![Amazon.com : Orlushy 25W Small Submersible Aquarium Heater, Constant Temperature Betta Fish Tank Heater of 78℉for 1-6 Gallons Freshwater & Saltwater Tanks : Pet Supplies Amazon.com : Orlushy 25W Small Submersible Aquarium Heater, Constant Temperature Betta Fish Tank Heater of 78℉for 1-6 Gallons Freshwater & Saltwater Tanks : Pet Supplies](https://m.media-amazon.com/images/I/61QNjDPeYIL.jpg)