What is a good heater for my 5 gallon QT? I’m debating between these but scared of the bad reviews:
- Cobalt Aquatics Accu Therm Submersible Heaters
- Aqueon 100528680 Adjustable Aquarium Heater
- Eheim Jager Aquarium Thermostat Heater
- Cobalt Aquatics Accu Therm Submersible Heaters
- Aqueon 100528680 Adjustable Aquarium Heater
- Eheim Jager Aquarium Thermostat Heater