Aqua Ultraviolet® Ultima II Filters with 3" Side-Mount Inlet/Outlet Sinking How does nitrification work

How does nitrification work

sodium selenite

Uses a six-position control head

(LPM) BHB-MD-225 ABS / PP EPDM 9" 25-80 BHB-MD-310 ABS / PP EPDM 12" 25-160

Rubber mounting feet and sound dampening reduce noise and vibration

Aqua Ultraviolet® Ultima II Filters with 3" Side-Mount Inlet/Outlet Sinking How does nitrification workThe Ultima II Filter is the best choice for home hobbyists and aqua professionals alike due to its impressive capacity and minimal, effortless maintenance. Independent laboratory testing confirms that the Ultima II filter is superior to three leading bead filter brands in setup, nitrification, back washing and overall efficiency. It's perfectly designed for high flow rates, extreme fish loads and elevated feed rates. Why Use a Biomechanical Filter? To