Current Culture Under Current UC4XL systems are renowned for the superior quality and are made with the highest grade commercial components. Current Culture works by recirculating highly oxygenated nutrient solution using negative water pressure, providing oxygen rich nutrients directly to the plants root zone. The oxygen rich solution provides the plants with optimal growing conditions, leading to explosive growth. The UC4XL 4 pot system can be easily be expanded with more sites if needed.

Under Current 4 XL Recommendations:

Grow Area:

1.5m x 1.83m

Lighting (Horizontal):

1 X 1000W or 1 x SK602GH**

Water Chiller Size* (HP):

1/10 - 1/6 HP

Reservoir Litres:


Veg time (Weeks/In.):

2-3 weeks / 18"-24"

*General Recommendation - Check Manufacturers Specifications for proper chiller sizing.
** For power saving purposes, we recommend using the full spectrum Spectrum King SK602GH LED Grow Light

Under Current 4 XL System Specifications:

System Footprint:

0.98m x 1.82m

Total System Volume:


Power Usage:


Air Pump Size:


Water Pump Size:


Recirculation Rate (Exchanges per hour):


Number of Rows:


Number of Sites:


Plant Spacing:


Module Size:



Proven Production System With:

Prolific Yield Potential

  • Increased growth rates produce larger overall plants and drastically reduced vegetative times
  • Higher productivity with fewer plants

Increased efficiency

  • High levels of aeration and constant circulation optimise plants nutrient uptake capacity
  • Conserves water and necessitates less frequent nutrient change-outs
  • The Culture Current Cultured Solutions premium plant nutrients are custom formulated specifically for the Under Current® system and high-performance hydroponics Cultured Solutions® are pH stable, clean and highly chelated

Reduced Maintenance

  • pH, EC/TDS and solution temperatures stay uniform throughout the entire system
  • Easily adaptable to pH/nutrient dosers, top-off reservoirs and water chillers


Included with the Under Current 4 XL System:

  • CCH2O Multi Mod Growth Modules with Drain Well
  • CCH2O 5.5″ Heavy Duty White Lids with Port Hole
  • CCH2O 5.5″ Heavy Duty Net Pots
  • CCH2O Easy Clean Manifolds with UC Spin-Tight Bulkheads
  • CCH2O Add-Back Kit
  • High Flow Aeration Manifold
  • Air Pump Bank with CCH2O Air Flow Regulator
  • Premium Linear Air Pump(s)
  • Danner Mag-Drive™ Return Pump with 1″ Return Hose
  • Drain Out Kit
  • Adjustable Float Valve with Reservoir Adapter Kit
  • Cultured Solutions™ XS Growers Pack
  • 3-Year Limited Warranty

(SKU: 129091)

SKU 129091
Brand Current Culture
Warranty Length 1 Year
Warranty Conditions Repair Warranty
Shipping Weight 28.00 kg
Type Kits

Repair Warranty - Manufacturer warranty, this product needs to be returned to Aqua Gardening and then sent to the supplier for testing and repair.


Product Manual

View PDF brochure for Under Current 4 Pot System [UC4XL]

This calculator will show you the delivery charges for this product only.

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Delivery Information

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