Active Aqua Submersible Water Pump 40 GPH DH35770 Cyco Swell is also recommended

Cyco Swell is also recommended in the later flowering stages

All electrical parts completely sealed in

Atmosphere's V-Series combines high performance and quiet operation

FDA approved

But in all seriousness

Active Aqua Submersible Water Pump 40 GPH DH35770 Cyco Swell is also recommendedSubmersible pumps designed specifically for hydroponic systems. Models AAPW250 AAPW1000 are inline capable Powerful mag drive construction Indoor use Oil free and environmentally safe BPA freesafe for aquaponic use One year warranty 6' power cord Has 5 16" fitting for 5 16" ID tubing. 1 4" ID tubing will fit inside fitting. NOTE: Models 40 GPH 160 GPH contain a steel shaft and are not suitable for saltwater applications. Larger pumps (250 GPH 1000