Just wondering... on setting up new heaters

[daniella3d]

your temperature fluctuate too much. Thats 3 degree and I am guessing between day and night. too much.

My temperature stay at 76 day and night. no fluctuation but I use a controller. 82 is quite high.

Originally Posted by marie

I have glass tops and metal halide lights on my tank and haven't needed a heater (or a chiller) since I set it up last may......temp stays between 79-82