its a "thermo aquarium heater"...
so i dont know, maybe im doing something wrong?
it has a knob at the top that you move clockwise from L(low) to H(high) ever since i got it its been all the way on H(high) and only keeps the tank at 78 degrees.

cam722 wrote:I think I had this kind before and you're right they SUCK. The temps are ok.. that little bit of a fluctuation isn't a big deal.




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