Aqua One Wavemaker 3500 Water Pump. This 16.5 watt water pump has a maximum flow rate of 3500 L/hr. The wavemaker water pump provides a gentle flow over a large area in the aquarium, with low power consumption as it is only a 16.5 watt pump. Perfect water pump for recreating nature in your own fish tank! This pump is suitable for use in a marine fish tank or a coral reef tank. The water pump is easy to set up, and is quiet while creating waves.