The Active Aqua 550 GPH Submersible Water Pump is a reliable and powerful pump designed for hydroponics, aquariums, fountains, and ponds. With a maximum flow rate of 550 GPH, this pump can easily handle the water circulation needs of your system. Its submersible feature allows for safe and efficient operation below the waterline, making it ideal for both indoor and outdoor use. With the Active Aqua brand reputation for quality and durability, this water pump is a great addition to any hydroponic or pond setup.