PERFORMER CALCIUM REACTORS are elegant and efficient reactors designed by Hydor. Used to maintain the right level of calcium in the water of your marine/reef aquarium. They can be positioned in or out of sump, and connects to the majority of CO2 system.
The Hydor Performer CR 750 Calcium Reactor was designed as a powerful and user-friendly calcium supplementation unit. It supplies biologically available calcium to your aquarium to promote and maintain healthy coral growth. It features an easy-fill design for convenient media application, a precision bubble counter to monitor CO2 levels, and can be connected to the majority of CO2 systems. This reactor has a 1.5 gallon media capacity and is rated for aquariums up to 200 gallons in size.