Red Sea CO2 Reactor 500. Rated for aquariums up to 125 gallons.
Red Sea CO2 Reactor 500. Rated for aquariums up to 125 gallons. This fully adjustable, power driven, super compact CO2 reactor will simply and efficiently maintain the desired level of CO2 in a wide range of planted aquariums. The turbulent flow CO2/water interface inside the reactor ensures almost complete dissolving of available CO2 while non-dissolvable gases are gently vented to the water surface. Includes adjustable 65 gph pump. Dimensions: 3.75-inches x 1.6-inches x 2.2-inches (LxWxH).