Under Current Double Barrel XL13 - Current Culture

★★★★★ 4.6 131 reviews

US$1,501.60
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US$1,501.60
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Free shipping Free 30-day returns

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Management number 250468270 Release Date 2026/09/17 List Price US$1,501.60 Model Number 250468270
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The Under Current ™ Double Barrel XL13

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™ Double Barrel XL13 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 DOUBLE BARREL XL13 UCDB16LXL13 UCDB24XL13 UCDB32XL13
SIZE (INCHES) 106 x 145 106 x 207 106 x 269
FULL SYSTEM VOLUME (GALLONS) 190 275 365
POWER USAGE (WATTS) 250 365 520
AIR PUMP(S) (1)AFP-40, (1)AFP-80 (1)AFP-60, (2)AFP-80 (1) AFP-40, (3) AFP-80
WATER PUMP(S) MAG1200 MAG1800 MAG2400
RECIRCULATION TURNOVER RATE PER HR. 6.30 6.50 6.50
RECOMMENDED LIGHTING 4 X 1000W 6 X 1000W 8 X 1000
RECOMMENDED CHILLER* 1/2 - 1 HP 1 - 1.5 HP 1.5 - 2 HP
RECOMMENDED RESERVOIR (GALLONS) 200 285 375
SHIPPING WEIGHT (LBS.) 130 200 280
SHIPPING BOX SIZES (4)16x18x48 (5)16x18x48, (1)16x18x36 (7)16x18x48

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