High flow DC water circulation pump suitable for both salt and freshwater aquariums. Fully controllable and adjustable (using the supplied controller) with 4 pre-set wave patterns. Multiple time setting periods enable wave settings to be programmed to replicate the natural movement found on the reef. Push button "feed timer" slows the water flow for 10 minutes to allow fish to feed. Versatile and fully adjustable mounting using a strong, high quality magnet and anti-vibration rubber pads for quiet operation. Ceramic shaft propeller offers maximum performance and efficiency. Suitable for aquariums with glass/acrylic up to 15mm thick. The REEF-Tide Compact has an unobtrusive design which allows it to be used and easily hidden in tanks where space is limited. The REEF-Tide Compact also comes with interchangeable nozzles - the innovative RotaFlo nozzle offers unique, varied wave motions and the JetFlo nozzle offers a directional stream flow.