40W UV Water Sterilizer with 17ft Cable for 300-3000 Gallon Aquariums, Ponds & Pools - Professional UV Clarifier for Green Water Control in Koi Ponds, Fish Tanks, Spas & Cold Plunge
PROFESSIONAL-GRADE UV STERILIZATION - Our advanced UV-C technology eliminates 99.99% of harmful buildup and green water that cloud your water. This ensures a healthy environment and crystal-clear water in ponds up to 3,000 gallons.
EXTRA-LONG 17 FT POWER CORD - The generous cable length provides maximum flexibility for installation in large outdoor ponds, koi ponds, cold plunge pools, spas, and large aquarium tanks. No need for extension cords or complicated wiring—this cord reaches any corner of your water feature with ease.
GRAVITY SINKING DESIGN WITH BONUS WEIGHT - The unique weighted design automatically sinks and stays positioned at the bottom for 360-degree water treatment. It includes an additional weight plus two suction cups for versatile mounting in any pond setup.
SLIM QUARTZ TUBE (19.69 IN X 1.26 IN) - Our high-transparency quartz glass tube maximizes UV effectiveness, while the durable ABS housing ensures long-lasting outdoor performance. Before buying, be sure to measure your filter chamber or mounting area. You'll need a straight section longer than 19.69 inches with an internal width greater than 1.26 inches. Leave 0.4–0.8 inches of extra clearance for the power cable bend, suction cups, and the optional weight.
ULTRA-LONG 8000-HOUR LIFESPAN - This premium UV bulb provides exceptional durability with up to 8000 hours of use, saving you money on replacements while maintaining consistent water clarity.
SAFE & EASY DAILY OPERATION - Recommended for 1–2 hours of daily use, this clarifier keeps water pristine without harmful chemicals. Its simple plug-and-play design is perfect for busy pond owners who want effortless water maintenance.
VERSATILE APPLICATIONS - This UV clarifier is ideal for outdoor ponds, koi ponds, large aquarium tanks, spas, and pools, providing professional-grade performance for both residential and commercial water features.
IMPORTANT SAFETY WARNING - UV-C light is harmful to eyes and skin. Do not expose fish, pets, or humans directly to the light. Always keep the lamp hidden or contained (e.g., inside a filter chamber or opaque housing) when in use. Never look at the bulb while powered. Always unplug the unit before handling or maintenance.
EXCEPTIONAL CUSTOMER SUPPORT - We are committed to your satisfaction. If you have any issues with your bulb or need assistance, just reach out and we'll be happy to help you.