MRC® NR-2™ Nilsen Reactor

Explosive coral growth and vibrant coloration

Overview

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

MRC® Nilsen reactors are designed to perform straight out of the box. Using your current aquarium controller, you can quickly and easily program the frequency and duration of mixing . The external Blueline pump is easily accessible for simple maintenance. MRC Nilsen reactors are the most modern, simple, reliable, and beautiful Kalkwasser reactors on the market. 

About MRC Nilsen Calcium Reactor Series Models 

Universal

Implementation has never been simpler. Add your favorite Calcium hydroxide Ca(OH)₂ powder and plug into any aquarium controller or timer and you’re all set.

Capacity

With 3 different models, there’s a reactor to suite your needs. Want to go longer between serving? Go with a larger reactor. Have a smaller system or don’t mind more frequent refills, go with a smaller unit. There’s really no wrong answer.

Precision

Kalkwasser (kalk) is the easiest and least expensive Calcium and Alkalinity solution in the hobby, leaving more money in your pocket for hot corals.

Detail

Not only does Kalk help maintain a higher overall pH level to optimize calcification in corals, it also precipitates phosphates, helping you in the fight against algae. 

Specifications