Blagdon Minipond 9000 Filter with 5w UVCUV pond filter system with crystal clear water guaranteed The unique six stage filter process has been specifically created to provide a beautifully clear and healthy pond with a minimum maintenance. High performance UVC clears green water algae. Spray bar oxygenates water creating the ideal environment for friendly bacteria. Graded foam filter pads remove dirt and waste Carbon impregnated pad removes chemical pollutants. Blagdon Minipond filters