Overview The Aqua Ultraviolet Classic 25 Watt UV Sterilizer is designed for ponds, aquariums, and water features, offering a rugged, easy-to-install solution that delivers clear water in just 3 to 5 days?sometimes even overnight. When sized, installed, and operated according to Aqua Ultraviolet's instructions, this unit guarantees superior performance in maintaining a healthy aquatic environment. Key Features Dual Functionality: Sterilization: Effectively eliminates green water and controls bacteria. Clarification: Maintains clear water by controlling excessive algae and organic growth. Freshwater Applications: Sterilizer: Capable of sterilizing up to 1,200 gallons of fresh water. Clarifier: Controls green water in systems up to 4,000 gallons, ideal for environments with 50%-75% plant coverage and partial shade. Saltwater Applications: Sterilizes up to 150 gallons of salt water. Marine Fish Tanks: For tanks without reef or live rock, a flow rate corresponding to 75,000 or 90,000 µw/cm dosage is most effective for controlling fish diseases. Quick Results: Clears water rapidly, typically within 3 to 5 days. Rugged Design: Engineered for quick installation and straightforward maintenance. Product Specifications Wattage: 25 Watt Sterilization Capacity: Freshwater: Up to 1,200 gallons Saltwater: Up to 150 gallons Clarification Capacity (Freshwater): Up to 4,000 gallons in environments with 50%-75% plant coverage and partial shade Marine Fish Application: Optimal performance when operating at flow rates that match the 75,000 or 90,000 µw/cm dosage columns (for tanks without reef or live rock) Installation Operation: Designed for hassle-free setup and maintenance when following manufacturer instructions Ensure your aquatic environment stays clear and healthy with the Aqua Ultraviolet Classic 25 Watt UV Sterilizer?a reliable solution for effective sterilization and water clarification across a variety of freshwater and saltwater systems.