Viper 400 Watt UV Sterilizers – Stainless Steel, With Flow Switch, 110V/60Hz Size:4" 8' head: ~1

8' head: ~1

Max Flow Rate: 7

The most efficient way to accomplish this is by installing an ultraviolet pond filter like the Ultima II Biological Aqua Filter

Max Flow Rate: 20

and high-volume water features up to approximately 8

Viper 400 Watt UV Sterilizers – Stainless Steel, With Flow Switch, 110V/60Hz Size:4" 8' head: ~1Maximum power and durability for the largest ponds and commercial aquatic systems. The Viper 400 Watt UV Sterilizer is a heavy duty, high output stainless steel unit engineered for demanding large scale applications. With its robust construction and integrated flow switch, this powerhouse delivers superior sterilization for ponds and water features up to 20,000+ gallons (depending on flow rate and turnover), rapidly destroying free floating algae,