Simple
Installation has never been easier. Fill with your preferred media, connect a feed pump or use our ECO 132 pump, and you’re done.
Capacity
Between 1430ml & 2740ml the xSeries™ Reactors are ready for just about any media you could possible throw at them.
Tested
All xSeries™ Media Reactors go through a rigorous check list to insure our strict tolerances are met. We like things to be right and right the first time around.
Detail
We’re a bit obsessive at MRC®. We not only color matched our tubing, but it’s also food grade, and 100% American made like all of our products.
Let us make that easier for you.
You spend enough time managing your already busy life, your aquarium should add to the enjoyment, not be another task in your week. Efficient and properly operating equipment ensures this. Start spending more time observing and less time working; we can do that for you.
Feature Rich Out of the Box
Sometimes it takes thinking outside the box to know what should come in one. We’re hobbyists too and know you expect a working product from the factory. See what “custom” options are the standard in the MRC® xSeries™ Reactors.

Mounting Bracket
Limited on sump space? Mount your xSeries™ x3 reactor with the supplied mounting bracket to the side of you sump, aquarium, or anything else with a suitable edge.

True Reverse Flow™

Connection Fittings

Vinyl Tubing
Our x3 ECO Kit comes with 4′ of food grade tubing to give you the perfect amount of leeway for a comfortable install in any of our xSeries™ Sumps.

Overview
5.5” x 13” | 4” Diameter | 1430ml Media Capacity | High Quality Acrylic | 0.5” Fittings & Reactor Bracket Included*
The MRC® x3 utilizes True Reverse Flow™ to achieve maximum efficiency with minimal effort. This technology creates even dispersion through all types of media. Stand alone or bracket mounted the unit is as versatile as it is robust. The xSeries™ line introduces world class MRC® quality more affordable than ever.
Specs
Chamber Capacity: 1430ml
Reactor Chamber Diameter OD: 4″
Reactor Chamber Height: 13″
Reactor Chamber Thickness: 1/4″
Foot Print: 5.5″
Water inlet size: 1/2″ Barb
Water Outlet size: 1/2″ Barb
Method of feeding: Pump/Powerhead
System capabilities: Up to 200 gallons
Necessary Parts: Feed Pump
Included; 1/2″ Barbs, Teflon Tape, Hanging Bracket, & media pads
Overview
5.5” x 13” | 4” Diameter | 1430ml Media Capacity | High Quality Acrylic | ECO 132 AC Pump | 4′ of Blue Vinyl Tubing | 0.5” Fittings & Reactor Bracket Included*
The MRC® x3 Eco Kit utilizes the same True Reverse Flow™ technology as the standard x3 but includes an energy efficient DC pump and 2ft of MRC® Blue Tubing. Stand alone or bracket mounted the unit is as versatile as it is robust. The xSeries™ line introduces world class MRC® quality more affordable than ever.
Specs
Chamber Capacity: 1430ml
Reactor Chamber Diameter OD: 4″
Reactor Chamber Height: 13″
Reactor Chamber Thickness: 1/4″
Foot Print: 5.5″
Water inlet size: 1/2″ Barb
Water Outlet size: 1/2″ Barb
Method of feeding: Pump/Powerhead
System capabilities: Up to 200 gallons
Included: 1/2″ Barbs, teflon tape, Hanging Bracket, 4′ tubing, media pads, & 118 GPH pump


Overview
5.5” x 21” | 4” Diameter | 2740ml Media Capacity | High Quality Acrylic | 0.5” Fittings
The MRC® x5 utilizes True Reverse Flow™ to achieve maximum efficiency with minimal effort. This technology creates even dispersion through all types of media. WIth even more capacity the x5 is ready for the toughest The xSeries™ line introduces world class MRC® quality more affordable than ever.
Specs
Chamber Capacity: 2740ml
Reactor Chamber Diameter OD: 4″
Reactor Chamber Height: 21″
Reactor Chamber Thickness: 1/4″
Foot Print: 5.5″
Water inlet size: 1/2″ Barb
Water Outlet size: 1/2″ Barb
Method of feeding: Pump/Powerhead
System capabilities: Up to 400 gallons
Necessary Parts: Feed Pump
Included: 1/2″ Barbs, Teflon Tape, & media pads