A complete reactor media containing not only calcium and carbonate, but essential trace elements as well. In fact A.R.M. has nearly 50 times the strontium of other brands (7390 ppm). A.R.M. is processed for immediate use, no rinsing required, and has double the surface area of...[more]

High performance, quality calcium reactors incorporating a number of great features: • Unique water intake system using a single integral pump which acts as both a supply and recirculation pump. This allows the V2React Calcium Reactor to be easily installed in any aquarium...[more]