Overview The Aqua Ultraviolet Classic 25 Watt UV Sterilizer is engineered for versatility in ponds, aquariums, and water features. With its rugged design, this unit offers quick installation and easy maintenance while delivering clear, healthy water in as little as 3 to 5 days?and sometimes even overnight. Its performance is guaranteed when sized, installed, and operated according to Aqua Ultraviolet's guidelines. Key Features Dual Functionality: Sterilization: Effectively eliminates green water and controls bacteria. Clarification: Maintains water clarity by controlling green water. Freshwater Performance: Sterilizer: Capable of sterilizing up to 1,200 gallons. Clarifier: Controls green water in freshwater systems up to 4,000 gallons (ideal for tanks with 50% to 75% plant coverage and partial shade). Saltwater Application: Sterilizes up to 150 gallons, making it suitable for smaller saltwater systems. Marine Fish Optimization: For tanks without reef or live rock, matching the flow rates to the 75,000 or 90,000 µw/cm dosage columns is most effective at controlling fish disease. Rapid Results: Achieves clear water within 3 to 5 days when operated correctly. 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% to 75% plant coverage and partial shade Marine Fish Applications: Optimal performance achieved at flow rates corresponding to 75,000 or 90,000 µw/cm dosage for effective fish disease control Installation Operation: Designed for quick, hassle-free installation and easy maintenance when following Aqua Ultraviolet's instructions Ensure your aquatic environment remains crystal clear and healthy with the Aqua Ultraviolet Classic 25 Watt UV Sterilizer?a reliable solution for both sterilization and clarification across a range of freshwater and saltwater systems.