Aqua Ultraviolet Classic 57 Watt UV Sterilizer, White, 2" Wiper Options:W/ Wiper low wattage draw (around 140–160W

low wattage draw (around 140–160W range)

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

Great for medium-to-large ponds

5-year limited manufacturer’s warranty

Aqua Ultraviolet Classic 57 Watt UV Sterilizer, White, 2" Wiper Options:W/ Wiper low wattage draw (around 140–160WAquaUltraviolet Classic 57 Watt UV Sterilizer 2 Serious power for larger ponds and serious water clarity. The AquaUltraviolet Classic 57 Watt UV Sterilizer is a high performance unit designed for medium to large ponds, water gardens, and aquariums up to approximately 2,5003,500 gallons (with proper flow and turnover). This robust sterilizer uses a high output UV C lamp to rapidly destroy free floating single cell algae, bacteria, viruses, and protozoa