hygger 32W Aquarium U-V Light for 200-2200 Gallon, Pond Water Clarifier for Green Water and Algae Clean, for Koi Pond, Large Fish Tank, Swimming Pool, Cold Plunge, Spa

Enhanced Clarity and Health: 254nm wavelength U-V Light treatment. hygger pond U-V light for green water and algae clean.Provide a safe environment for your fish.It is the best choice for pond cleaning water quality.Dual-Tube Pond U-V Light: Double tube design and 42mm larger diameter glass tube, brings double water purification capacity, making pond water cleaner. Lifespan up to 10,000 hours long-lasting performance.Gravity Self-sinking Design: The pipe end is designed with weight, which can automatically sink, making installation easy and ensuring 360-degree all-round cleaning. IPX8 waterproof design improves the safety and reliability of underwater use.Wide Range of Applications: The hygger 32W Aquarium U-V light is perfect for medium to large ponds from 200 to 2200 gallons.15FT extra-long cable, suitable for koi pond, large fish tank, water gardens, swimming pool, spa, cold plunge.Intermittent Use: In winter, run the U-V pond light 2–4 hours daily or every other day. In summer, run it 6–8 hours daily or every other day. If green water suddenly appears, keep it on continuously for 2–3 days, then return to intermittent use. Avoid 24-hour operation to prevent shortening the lamp’s lifespan.NOTE: Installed in bottom filter tank of aquarium, clean fish display tank look bright and clear. Please do not use it directly in the fish tank. The direct light source is harmful to fish and people. Please use it in the filtration system.