Need Help? Call us at 1-317-895-9005
or email us at

Proudly serving Aquarists since 1996

MRC CR-4 Calcium Reactor

$449.99 was $ 599.99
Item #
My Reef Creations
Eligible for Free Shipping Program
In Stock

MRC CR-4 Calcium Reactor - PUMP NOT INCLUDED

Up to 500 Gallons | Spray bar equipped | High Quality 3/8″ Cell Cast Acrylic & 1/4″ Cell Cast Acrylic tube
The most efficient and advanced Calcium Reactor on the market. Easy to operate for optimal results.
Includes the revolutionary MRC® spray bar design that mixes the CO2 with the media in a more uniform pattern. The spray bar allows a full concentration of CO2 to penetrate the entire chamber of media allowing for low CO2 consumption and maximum output.
Ph Probe Holder & MRC Spray Bar included
Chamber Capacity: 12lbs
Reactor Height: 17.25″
Thickness: 1/4″ & 3/8″
Foot Print: 14″ x 14″
Water Inlet Size: 1/2″ Nylon Barb
Water Outlet Size: 1/4″ John Guest Speedfit
Method of feeding: Cobalt MJ1200 (not included)
System capabilities: 500 gallons
Needle Valve for effluent control: Standard
Recirculation Pump: Panworld 40px (not included)
Necessary Parts: Co2 Regulator, Co2 Tank, Feed Pump, Recirc pump, & Media


Rating 100gal 300gal 500gal 500gal 700gal
Media Capacity  6lbs 7lbs 14lbs 12lbs 18lbs
Footprint 12x12" 10x10" 12x12" 14x14" 14x14"
Height 17.25" 22" 22" 17.25" 22.75"
Required Parts Co2 Regulator, Co2 Tank, Feed Pump, Recirc pump, & Media
Feed Pump Recommendation MJ1200
Recirc. Pump Recommendation Panworld 10px Panworld 40px


Customer Reviews

You must be logged in to post a product review.