I just got a Top Fin 50w heater from petsmart. I put it in the 10g tank. I set the lowest setting and the water reach to 79F. I think it defective. Is Top Fin a reliable brand? I have a visi-therm stealth for 2 to 3 years and still reliable.
Should I exchange it or get the visi-therm stealth?
Should I exchange it or get the visi-therm stealth?