All hang-on protein skimmers come complete with venturi pumps and are ready to plug in the day you receive them. . . . . These skimmers are ozone resistant and are capable of operating on micro reefs to large systems with thousands of gallons. You can be confident there is one designed for your specific needs. Only genuine Mazzei injector valves are used for superior performance and reliability. The Columnar skimmers are counter-current units .
Water enters the top of the skimmer and is directedc downward in a swirling motion.
At the same time air enters the bottom of the skimmer via limewood air diffusers. A foaming action develops at the top of the cylinder and the organics are skimmed off into the self draining collection cup. To place an order online, simply check the items you want and 'Add To My Order'. You will be able to change the quantities during finalization.