This aquarium wave maker is able to control the water flow, providing the coral in your aquarium with a simulated ocean environment. This is essential for a healthy living environment for your coral. If there isn't enough circulation in the water, it's possible for the coral to suffocate. The wave maker has two 360-degree rotating nozzles, making it very efficient and ensuring a healthy living environment for your aquarium inhabitants. The current maker is equipped with a high-quality suction cup so it can be easily attached to the aquarium.