Submersible UV Sterilizer Lamp with Timer for AquariumFEATURES POWERFUL UV C STERILIZATION Eliminates harmful bacteria, viruses, and algae by destroying their DNA, creating a healthier and safer aquatic environment for your fish without using harsh chemicals or additives. CRYSTAL CLEAR WATER Effectively removes green water and cloudy conditions caused by floating microorganisms. This process restores your aquarium's water to pristine clarity, enhancing the beauty of your aquatic display. CONVENIENT