MRC® MR-3™ Protein Skimmer





Up to 500 Gallons | Ozone compatible | High Quality 3/8″ Cell Cast Acrylic & 1/4″ Cell Cast Acrylic tube

+Series Signature Protein Skimmers have been successfully running aquariums for two decades. Our injector assembly uses a pressure differential to generate a massive quantity and quality of bubbles to maximize protein skimming. Historically, these have been powered by high pressure (high power) pumps, but with the advent of ultra efficient DC powered pumps, these skimmers are more potent and efficient than ever.

Utilized by professional aquarists and organizations worldwide, the MR-3 provides increased dwell times in the same footprint of the MR-2.  Also equipped with a port for an optional second injector assembly.


System capabilities: 500 gallons

Total Height: 32.5″

Foot Print: 10.5″ x 7″

Water Inlet: 3/4″

Number of Injectors: 1 w/2nd optional

Injector Input: 1″

Gate Valve (Standard): 1 1/2″

Recommended Pump: BL-55 HD (PW-150PS) or BL-70 HD (PW-200PS), Ecotech Vectra L1, SP6

Instruction Manual