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UV-C destroys the single-cell algae that clouds the water — clarity in about 14 days when sized and flowed correctly
no-plumbing solution for small ponds and container water features
cost-efficient staple you can feed all season — a long-time Mystic Koi best seller
Easy lamp service
PVC Swing Check Valves - White Size:1 1/2 inch UV-C destroys the single-cell algaePVC swing check valves are designed to allow flow in one direction only. Commonly used in applications where backflow could cause flooding, or damage sensitive components, PVC swing check valves are a vital piece of many PVC systems. Because PVC swing check valves are simple to install and work automatically, they are the valve of choice for applications where stopping backflow is essential. Available in 1 1 2 inch and 2 inch