Clear, Safe, Reliable UV Water Clarification The Pondmaster 20-Watt Submersible UV Clarifier helps keep pond water clear by controlling suspended algae and improving overall water quality. Designed for easy installation and dependable performance, it can be used fully submerged or installed in-line. The dual monitor “Halo Rings” provide a soft blue glow to confirm the UV lamp is operating — visible day or night without distracting from your pond. Ideal Pond Size & Flow Rate Pond Size Up to ~3,000 gallons Recommended Flow Up to 1,800 GPH UV Lamp 20-Watt (9000-hour life) Key Benefits Helps eliminate green water by targeting free-floating algae Can be used in-pond or out-of-pond for flexible plumbing setups Vortex flow chamber increases UV exposure time for better clarity Halo Rings confirm operation at a glance Durable quartz sleeve protects UV lamp and improves efficiency Connections & Included Parts Inlet/Outlet 1.5" MPT (male threaded) Optional Barbs 3/4", 1", & 1.5" stepped barbed fittings included Power Cord 18' grounded cord Mounting Submersible or in-line installation Package Includes 20-W UV bulb (installed) Quartz sleeve Transformer & 18' power cord Stepped barb fittings Manufacturer 1-year limited warranty Replaces discontinued model 02520 / item 02925.
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