Aqua Ultraviolet® Ultima II Filters with 2" Inlet/Outlet Made in USA Add 1 teaspoon per 50

Add 1 teaspoon per 50 gallons

as opposed to a lever arm and ball

the discharge point for the air needs to be changed depending on the season: during warm weather

500 gallons

your water feature will be ornamented by a clear stream

Aqua Ultraviolet® Ultima II Filters with 2" Inlet/Outlet Made in USA Add 1 teaspoon per 50The 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