EHEIM thermocontrol 300 Watt - Fresh Water and Marine Aquarium Heater
2019 Winner Award Heater Eheim 300w Thermocontrol Heater - Electronic - 600-1000l Aquariums Electronic means accurate, and this is right out of the box. No calibration required - just set and plug in and forget. "EHEIM thermocontrol e 300" With the EHEIM thermocontrol-e heating element your fish get the right temperature even more precisely - in every aquarium. The obvious ideas are often the best. This also applies to the aquarium heating element. It is simply hung in the water and