1 1/2" Coupling Check Valve Assembly - TLS1850, 2750, 4250 (PSM) Spirit Pond & Stream Pumps (1850-4250 GPH) Use to control pondweed species

Use to control pondweed species

Do not use regular Table Salt as a couple of the ingredients can be toxic to fish

Light Kits also available with cords up to 500 feet long

this product is non-copper based and kills a wide range of algae on contact

and 2 diffusers to cover more area

1 1/2" Coupling Check Valve Assembly - TLS1850, 2750, 4250 (PSM) Spirit Pond & Stream Pumps (1850-4250 GPH) Use to control pondweed speciesThese units are designed to easily connect a pump that is in a skimmer or vault to a flexible or rigid PVC waterline. The check valve is important for stopping a backflow of water in the event of a power loss. Each unit has a heavy duty PVC Check Valve with a MNPT fitting that screws into the pump on one end, and a rubber coupling to connect to the water line on the other end. The table below shows which Check Valve Assemblies are compatible with