Reef Octopus Calcium Reactor 5.5" Single Chamber w/pump - OCT-CR140

Footprint: 12? x 11? | Body Diameter: 5.5? | Height: 24? Recirculation Pump: Aquatrance 2000 RATED FOR AQUARIUMS UP TO 150 GALLONS Reverse flow and CO2 Recirculating Design Auto Fill Bubble Counter Probe Holder w/Plug* Easy to Remove Lid Precision Effluent Control Valve Solid Construction 1/4"quick connect fittings * Does not include PH probe. Quality, design and affordability define the Octopus Calcium Reactor series. Available in 3 different models that feature reverse flow water current for maximum water and Co2contact time with the coral media. All models come with PH probe holders to monitor Ph levels in the main reactor chamber and built in bubble counters to monitor Co2 drip rates. To help you meet the challenging task of maintaining alkalinity, calcium and trace elements , consider adding a Reef Octopus calcium reactor to your aquarium system. How it works A calcium reactor is essentially a chamber full of aragonite, which is the crushed skeleton of ancient hard corals. Aqu