SZELAM 25W Smart Mini Aquarium Heater, Betta Fish Tank Heater Thermostat Warmer Submersible Anti-Explosion/Energy-efficient Water Temp Controller : Amazon.ca: Pet Supplies
No Waterchanges EVER, No Heater, No Co2, 6 in Deep Substrate. My shrimp are exploding in numbers. NYC. : r/Aquariums
How to Set Up a Fish-Only Aquarium: 8 Step Guide (With Pictures) | Hepper