![Amazon.com: DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon : Pet Supplies Amazon.com: DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon : Pet Supplies](https://m.media-amazon.com/images/I/61N0-ouS5fL._AC_UF350,350_QL80_.jpg)
Amazon.com: DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon : Pet Supplies
![Amazon.com: DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon : Pet Supplies Amazon.com: DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon : Pet Supplies](https://m.media-amazon.com/images/I/61glwxdnvWL._AC_UF350,350_QL80_.jpg)
Amazon.com: DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon : Pet Supplies
![Amazon.com: DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon : Pet Supplies Amazon.com: DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon : Pet Supplies](https://m.media-amazon.com/images/I/61LeYZ2AmAL.jpg)
Amazon.com: DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon : Pet Supplies
![Amazon.com: DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon : Pet Supplies Amazon.com: DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon : Pet Supplies](https://m.media-amazon.com/images/I/61-IRpick+L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon : Pet Supplies
![Upgraded my mom's betta from a 1.5 gallon “bowl” to a 3 gallon tank! Marimo balls & a filter coming soon, the one that came with it was TOO STRONG and couldn't Upgraded my mom's betta from a 1.5 gallon “bowl” to a 3 gallon tank! Marimo balls & a filter coming soon, the one that came with it was TOO STRONG and couldn't](https://i.redd.it/jn93osxckos21.jpg)
Upgraded my mom's betta from a 1.5 gallon “bowl” to a 3 gallon tank! Marimo balls & a filter coming soon, the one that came with it was TOO STRONG and couldn't
![Amazon.com : Tetra 29137 Water Wonder Aquarium Kit, Black, 1.5 Gallons : Aquarium Starter Kits : Pet Supplies Amazon.com : Tetra 29137 Water Wonder Aquarium Kit, Black, 1.5 Gallons : Aquarium Starter Kits : Pet Supplies](https://m.media-amazon.com/images/I/811n3M1X+OL.jpg)