Eheim 300 Watt Thermocontrol Aquarium Heater Zeovit Reactors Raises carbonate hardness and buffer

Raises carbonate hardness and buffer capacity for improved pH stability

Vented wedge valve output provides precise water level control

It is very energetic and can be quite aggressive towards other tangs

after which alkalinity alone increases

as it grows towards the light

Eheim 300 Watt Thermocontrol Aquarium Heater Zeovit Reactors Raises carbonate hardness and bufferEheim 300 Watt Thermocontrol Aquarium Heater Maximum Thermocontrol Heating for Large Systems The Eheim 300 Watt Thermocontrol Aquarium Heater provides high output adjustable heating for large freshwater and marine aquariums. Built with Eheim's fully submersible glass heater design, it delivers consistent heat transfer, accurate temperature control, and dependable performance for systems with greater heating demand. Eheim Thermocontrol 300W Features