![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
PetSmart - Now's the time to get that aquarium you've always wanted! Shop PetSmart today and get an aquarium for $1 per gallon! 10 gallon tanks are $10. 20 gallons? $20. Don't
![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
![For my classroom - Marineland Bio-Wheel LED 10 Gallon Aquarium Kit - PetSmart | Aquarium kit, 10 gallon fish tank, Aquarium air pump For my classroom - Marineland Bio-Wheel LED 10 Gallon Aquarium Kit - PetSmart | Aquarium kit, 10 gallon fish tank, Aquarium air pump](https://i.pinimg.com/564x/04/5d/b7/045db717c48b87d87dae91cc9d6e8ffe--led-aquarium-fish-aquariums.jpg)