![DaToo 30 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 3 Gallon 5 Gallon : Amazon.ca: Pet Supplies DaToo 30 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 3 Gallon 5 Gallon : Amazon.ca: Pet Supplies](https://m.media-amazon.com/images/I/61eodQ-Ha5L.jpg)
DaToo 30 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 3 Gallon 5 Gallon : Amazon.ca: Pet Supplies
![Betta Fish Tank Heater, 25W Mini Aquarium Heaters with 2 Artificial Plants 1 Stick-on Thermometer Strip Energy-efficient Water Warmer Temperature Controller Smart Thermostat for 3-5 Gallon Tank Black Betta Fish Tank Heater, 25W Mini Aquarium Heaters with 2 Artificial Plants 1 Stick-on Thermometer Strip Energy-efficient Water Warmer Temperature Controller Smart Thermostat for 3-5 Gallon Tank Black](https://www.gosupps.com/media/catalog/product/cache/25/image/1500x/040ec09b1e35df139433887a97daa66f/5/1/51VdEp3BDYL.jpg)
Betta Fish Tank Heater, 25W Mini Aquarium Heaters with 2 Artificial Plants 1 Stick-on Thermometer Strip Energy-efficient Water Warmer Temperature Controller Smart Thermostat for 3-5 Gallon Tank Black
![LAQUAL 3 Gallon Ultra Clear Glass Fish Tank, Rimless Low Iron Aquarium for Betta/Nano/Goldfish/Snail/Shrimp, Small Fish Tank with Fish Net & Cleaning Tools : Amazon.ca: Pet Supplies LAQUAL 3 Gallon Ultra Clear Glass Fish Tank, Rimless Low Iron Aquarium for Betta/Nano/Goldfish/Snail/Shrimp, Small Fish Tank with Fish Net & Cleaning Tools : Amazon.ca: Pet Supplies](https://m.media-amazon.com/images/I/71QwDkoz9sL._AC_UF1000,1000_QL80_.jpg)
LAQUAL 3 Gallon Ultra Clear Glass Fish Tank, Rimless Low Iron Aquarium for Betta/Nano/Goldfish/Snail/Shrimp, Small Fish Tank with Fish Net & Cleaning Tools : Amazon.ca: Pet Supplies
![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.jpg)
Amazon.com: PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78℉) : Pet Supplies
![Betta Fish Tank, 3 Gallon Glass Aquarium, 3 in 1 Fish Tank with Filter and Light, Desktop Small Fish Tank for Betta Fish, Guppies, Goldfish : Amazon.ca: Pet Supplies Betta Fish Tank, 3 Gallon Glass Aquarium, 3 in 1 Fish Tank with Filter and Light, Desktop Small Fish Tank for Betta Fish, Guppies, Goldfish : Amazon.ca: Pet Supplies](https://images-na.ssl-images-amazon.com/images/I/81Ia9vZ4urL._AC_UL600_SR600,600_.jpg)
Betta Fish Tank, 3 Gallon Glass Aquarium, 3 in 1 Fish Tank with Filter and Light, Desktop Small Fish Tank for Betta Fish, Guppies, Goldfish : Amazon.ca: Pet Supplies
![DaToo 25W Mini Aquarium Heater Betta Small Fish Tank Heater Submersible 3 to 5 Gallon, 1 Yr Warranty : Amazon.ca: Pet Supplies DaToo 25W Mini Aquarium Heater Betta Small Fish Tank Heater Submersible 3 to 5 Gallon, 1 Yr Warranty : Amazon.ca: Pet Supplies](https://m.media-amazon.com/images/I/61bEZBqh0mL._AC_UF350,350_QL80_.jpg)
DaToo 25W Mini Aquarium Heater Betta Small Fish Tank Heater Submersible 3 to 5 Gallon, 1 Yr Warranty : Amazon.ca: Pet Supplies
![What to put in a 3 gal round? It's got an under gravel filter and I have a small heater for it as well. Not thinking betta fish although it's an option. What to put in a 3 gal round? It's got an under gravel filter and I have a small heater for it as well. Not thinking betta fish although it's an option.](https://preview.redd.it/0xxx835ab3v21.jpg?auto=webp&s=79f101f7a71d64d813f12cf8c54509df3754ea2b)