Originally Posted by
Greenheinie
I agree with using 2 heaters (placed horizontally towards the bottom of the tank), but I'm not sure about the Jager heater. I got one and I'm not a fan. The first one I had was messed up (calibration button wouldn't come out) and the second/replacement is better, but the temp always creeps upward a degree or two after water changes.
I know they say on the packaging that you're not supposed to fully submerge them, but according to many user comments (as well as Eheim support rep comments) it's ok to. It just stinks reaching down after a WC to dial the heat down a degree or two.
Just my experience. Good luck!