Current Culture® Under Current® XXL13 | 40" Spacing Air Pumps | Tubing & Hose Hydroton® brand expanded clay is

Hydroton® brand expanded clay is semi-porous and generally does not float like other products can

Natural Phosphorus & Potassium Sources

The 40-gallon Premium Reservoir Lid measures 39

AC Infinity

and sturdy structure

Current Culture® Under Current® XXL13 | 40" Spacing Air Pumps | Tubing & Hose Hydroton® brand expanded clay isCurrent Culture Under Current XXL13 The Under Current is the world's first recirculating Water Culture Hydroponic System featuring our Patented Sub Current Culture Method. This innovative application circulates literally hundreds of gallons of solution per hour beneath plant roots. The Under Current supercharges the solution with dissolved oxygen, creating a hyper aerobic condition. An inline Danner Mag Drive pump provides peripheral negative pressure