




The Under Current™ XXL13
The Under Current™ is the worlds 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.
The Under Current ™ XXL13 Includes
13 gallon growth modules, 3" manifold, 3” UC Spin Tight Bulkheads, 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
UNDER CURRENT XXL13 | UC4XXL13 | UC6XXL13 | UC8XXL13 | UC12XXL13 | UC16XXL13 |
SIZE (INCHES) | 54 x 84 | 54 x 125 | 54 x 168 | 54 x 252 | 54 x 336 |
FULL SYSTEM VOLUME (GALLONS) | 55 | 80 | 100 | 145 | 190 |
POWER USAGE (WATTS) | 75 | 145 | 160 | 213 | 250 |
AIR PUMP(S) | AFP-40 | AFP-60 | AFP-80 | (1)AFP-15, (1)AFP-80 | (1)AFP-40, (1)AFP-80 |
WATER PUMP(S) | MAG350 | MAG500 | MAG700 | MAG950 | MAG1200 |
RECIRCULATION TURNOVER RATE PER HR. | 6.3 | 6.2 | 7 | 6.5 | 6.3 |
RECOMMENDED LIGHTING (VERTICAL) | 5 X 600W | 8 X 600W | 11 X 600W | 17 X 600W | 23 X 600W |
RECOMMENDED CHILLER* | 1/10 - 1/6 HP | 1/4 - 1/2 HP | 1/4 - 1/2 HP | 1/4 - 1/2 HP | 1/2 - 1 HP |
RECOMMENDED RESERVOIR (GALLONS) | 60 | 85 | 110 | 150 | 200 |
SHIPPING WEIGHT (LBS.) | 50 | 60 | 80 | 90 | 120 |
SHIPPING BOX SIZES | (2)16x18x48 | (2)16x18x48 | (3)16x18x48 | (3)16x18x48 | (4)16x18x48 |