Eheim 250 Watt Thermocontrol Aquarium Heater Timers & Meters By routing skimmer intake air

By routing skimmer intake air through CO2 absorbent media before it reaches the skimmer

and long-term nutrient export performance in reef aquariums

Part number: HDRS-ATO-300

Rinse regularly during filter maintenance to remove trapped waste and restore flow

Eheim 250 Watt Thermocontrol Aquarium Heater Timers & Meters By routing skimmer intake airEheim 250 Watt Thermocontrol Aquarium Heater Precise 250 Watt Heating for Large Aquariums The Eheim 250 Watt Thermocontrol Aquarium Heater is designed for large freshwater and marine aquariums that need dependable, adjustable heat output. Its durable glass jacket increases the heating surface, while the precise thermostat helps maintain a stable aquarium temperature for demanding systems. Eheim Thermocontrol 250W Heater Features 250 watt adjustable