Aquascape Dual Union Check Valve 2.0 Backyard & Koi Pond Supplies Fish Care and Maintenance Tools 5 lbs (3 packets) per

5 lbs (3 packets) per surface acre

It contains phosphate binder to minimize algae growth

Four-Light Set

It contains multiple Surfactants and Emulsifiers that bypass barriers even in thicker mats and slimy algae types

Easy on the environment with little water use restrictions

Aquascape Dual Union Check Valve 2.0 Backyard & Koi Pond Supplies Fish Care and Maintenance Tools 5 lbs (3 packets) perThe AquascapePRO Check Valve Assembly is needed to connect your pump to the pond plumbing. Aquascapes dual union check valve has a removable connection underneath the check valve which allows you to disconnect the pump and plumbing without draining the water in your BioFalls Filter (Filter not included). Part Number 48026 Check valve includes multiple fittings for adaptability to any sized pipe, up to 3 inches. Technical Specifications Check Valve