Overview The AquaUltraviolet Classic 15 Watt Inline UV Sterilizer is designed exclusively for freshwater applications?ideal for ponds, aquariums, and water features. Its rugged construction allows for quick installation and easy maintenance, ensuring that your water is cleared in just 3 to 5 days (sometimes even overnight) when properly sized, installed, and operated according to the manufacturer's instructions. Key Features Freshwater-Only Design: Specifically engineered for freshwater systems. Effective Clarification: Controls green water in environments up to 2,000 gallons, even in areas with 50% to 75% plant coverage and partial shade. Rapid Water Clarity: Delivers clear water in 3-5 days, with some cases achieving clarity overnight. Rugged Easy to Maintain: Designed for quick installation and hassle-free maintenance. Guaranteed Performance: Meets performance standards when used as directed. Product Specifications Application: Freshwater only (ponds, aquariums, water features) Wattage: 15 Watt Performance: Capable of controlling green water in freshwater systems up to 2,000 gallons. Ideal Conditions: Best suited for systems with 50% to 75% plant coverage and partial shade. Keep your freshwater system clear and vibrant with the AquaUltraviolet Classic 15 Watt Inline UV Sterilizer?a reliable solution for maintaining optimal water clarity.