Another Eheim 300 watt heater not working?

  • We are currently upgrading MFK. thanks! -neo

Irecruitfish

Dovii
MFK Member
Feb 18, 2016
985
368
102
Chicago area
The first I had stopped working after a month.

I have the temperature set at 76 and my tank is at 71 because another heater is in there which isn't powerful enough to raise the temperature past that.

Am I doing something wrong? I simply turned the dial and plugged it in. I see that the heater light is turning on but it's not raising the overall tank temperature.

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