Under Current Evolution 9XL

The Under Current Evolution XL Series

The Under Current is the world’s first re-circulating Water Culture Hydroponic System featuring our Patent Pending 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. Constant, 24/7 nutrient circulation ensures that pH and EC are uniform throughout the entire system. An inline Danner Mag-Drive pump provides peripheral negative pressure by thrusting nutrients back to a return module (Epicenter). From this point the solution is drawn from module to subsequent module, evoking perpetual fluid motion.

In the Under Current Evolution XL Series, plants sites are spaced 25" on center. Recommended vegetative time is 2-3 weeks or 18-24".  These systems are perfect for rectangular and residential spaces.

The XL Series is the most popular of all the Under Current system configurations. With this system, expect larger yields with fewer plants.

The Under Current Includes

8 gallon "Blackout Series" growth modules, 2"manifold, 2” Uni Seals, CCH2O 8" custom molded Lids with Port Hole, CCH2O 8" custom molded Net Pots, Danner Mag-Drive Return Pump, Air Force Pro Air Pump, 9” Air Diffuser Disc, Medium Round Air Stones, Air Distribution Manifold, Air Hose, In-Line Filter, Adjustable Float Valve with Reservoir Adapter Kit, Drain Valve, Chiller Adapter, Garden Hose Drain Adapter, Cultured Solutions VEG A/B and 1-Year Warranty.

Benefits of using the Under Current

  • Increased Nutrient Efficiency
  • 50+ System Configurations
  • Expandable Modular Design
  • Designed to Accommodate Any H.I.D. Lighting Layout
  • Hand Crafted in California
  • Commercial Grade
  • Low Power Consumption  
  • pH And EC/TDS Uniform Throughout Entire System
  • Conserves Water
  • Larger Yields with Fewer Plants
  • Less Frequent Nutrient Change Outs
  • Easily Adaptable To Dosers, Top-Off Reservoirs & Chillers
  • Includes Professional Quality Air & Water Pumps
  • Expert Grower Support


  • Item #: UCE9XL
  • Manufacturer: Current Culture

Under Current Evolution 9XL

Price: $1,786.95
Sale Price: $1,599.99
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