Enjoy cleaner, clearer pond water with the OASE Vitronic 9 UVC Pond Clarifier. Designed to eliminate suspended algae responsible for green water, this powerful standalone UV clarifier uses ultraviolet light to improve water clarity and help reduce harmful bacteria and pathogens. The Vitronic 9 is ideal for ponds and decorative water features up to 2,500 gallons and can be easily incorporated into existing filtration systems. Featuring a quick-release ballast for convenient bulb replacement and quartz sleeve cleaning, the Vitronic 9 makes routine maintenance simple. Clear tubing adapters and a built-in indicator light allow you to visually verify that the UVC lamp is operating properly, while its impact-resistant housing provides dependable outdoor performance.