Turbo-Twist® Ultraviolet Sterilizer removes free floating algae, parasites and harmful micro organisms from aquarium water. This unit features a unique twist flow design that increases water’s exposure to ultraviolet light improving the treatment of unwanted algae and microorganisms. It includes mounting brackets for hang-on or in-line application for an easy setup and easy installation. There's a indicator light to let you know when the sterilizer is operating. Uses  UV Replacement Lamps. A water pump is needed and not included with the Turbo-Twist®. Available in multiple sizes to accommodate a variety of aquarium sizes. is a trusted brand of marine aquarium parts and supplies. We offer aquarium lighting, filtration products, marine salt mix and more. When aquarium systems require more than just the basics - steps in. From the all-inclusive BioCube aquariums to a complete range of lighting and equipment, the brand is designed to meet the needs of the more advanced aquatic hobbyist.