Originally Posted by betta_
What makes eheim jager better than other brands?
1 - It's affordable
2 - It's reliable
3 - It can be exposed to air while on without breaking
4 - It's controllable and able to be calibrated
5 - It has a well working internal thermometer, i.e. it keeps the temperature from fluctuating much
6 - I've never had one of these get condensation on the inside like I have with other brands of heaters such as Aqueon and aquatop.