Bergen Water Gardens is proud to offer the finest UV sterilizers on the market: the SMART UV Sterilizer by Emperor Aquatics, Inc. Ultraviolet sterilization is the ultimate solution to “green water” in your pond. For koi keepers who demand “gin clear” water the use of a UV sterilizer is standard equipment for your Koi Pond. At the correct dosage and flow rate, UV sterilization will also kill harmful pathogens and bacteria which may cause significant health problems to your koi. SMART UV … [Read more...] about Turn Your Green Pond Water Clear in 3-5 Days GUARANTEED!