Evolution Aqua Dual Union Ball Valves, Slip Connections Size:3" Macro-Zyme™ quickly releases billions of

Macro-Zyme™ quickly releases billions of of facultative anaerobic bacteria (beneficial bacteria) & enzymes that work around the clock to clean

Use any low amperage koi pond pump for backwashing

and are available to fit all sizes of Pondmaster® Pond-Mag® and Supreme® Aqua-Mag® magnetic drive pumps up to 1800gph

flat bottom helps fish lie flat for easy handling

Evolution Aqua Dual Union Ball Valves, Slip Connections Size:3" Macro-Zyme™ quickly releases billions ofBall valves are helpful when trying to regulate pump flow or temporarily restrict flow to work on a pump or filter. They allow you to stop back flow completely while disengaging your pump, or to throttle your flow rate down, or direct water through specific lines. Always restrict the flow at the line discharge and never directly at the pump or on the intake side.