This heating element can be easily mounted on the glass by using the suction cups. The aquarium heaters from eheim feature the latest technologies. Suitable for aquariums from 100-150 liters.
The newest Sera aquarium heaters are specifically designed for low aquariums. The 100 Watt version is suitable for aquariums from 70-100 liters.
The Aquael Comfort Zone Fix are designed for maintaining aquarium water at a constant temperature of 25 degrees Celcius in the Aquarium. For aquariums of 75-100 liters.
With the Eheim thermocontrol-e heating element your fish get the right temperature even more precisely - in every aquarium. For aquariums from 100-150 liter.