Active Aqua Submersible Water Pump, 250 GPHProduct Details Choose a pump that was built to go below the waterline! Active Aqua's entire collection of pumps complete any grow setup. You can't beat the submersible line, as it is built for hydroponic systems. All of Active Aqua's submersible pumps include multiple hose fittings so you get an exact fit every time. Each pump's powerful mag drive construction includes removable foam filters, impellers, rubber mounting feet to reduce vibration, and a