Current Culture® Under Current® Double Barrel XL | 25" Spacing Number of Sites:32 Both modes work at the

Both modes work at the same internal operating temperature range

50% thicker steel frame inside a denser canvas and reflective diamond Mylar that prevents light leaks

Q: What is the silver screw under the green button

Product Performance and Technical Specs    Coverage    2 x 4 ft

Hybrid Quantanium Tumblers or Hybrid Electropolished Tumblers

Current Culture® Under Current® Double Barrel XL | 25" Spacing Number of Sites:32 Both modes work at theCurrent Culture Under Current Double Barrel XL 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