Reef Octopus 8.7" DC Calcium Reactor with Varios 6 Pump itemID-11618 foam prefilter included

foam prefilter included

Outlet Size: 1

and their importance in a reef aquarium cannot be overstated

Use 5 g (1 level teaspoon) for every 150 L (40 gallons) to raise pH by about 0

Reef Octopus 8.7" DC Calcium Reactor with Varios 6 Pump itemID-11618 foam prefilter includedVarioS CR220 9 inch Calcium Reactor ApexReady Footprint: 16. 5 x 11 Body Diameter: 9 Height: 23 Recirculation Pump: Reef Octopus VarioS 6 Calcium Alkalinity Demand Heavy 300 gallons Medium 400 gallons Light 500 gallons 300 gallons 400 gallons 500 gallons Rated for Aquariums up to 500 Gallons Efficient Variable Speed DC Pump Apex Ready Reverse flow and CO2 Recirculating Design Auto Fill Bubble Counter Probe Holder w Plug* Easy to Remove Lid Precision