Current Culture Under Current® Evolution System Description 


The Under Current® Evolution 12 Recirculating DWC System (Deep Water Culture) features the patented Sub-
Current Culture® circulation method. This high-performance water culture system is unmatched in
efficiency, layout versatility and ease of use. The Under Current® Evolution 12 Recirculating DWC System utilizes negative water pressure to recirculate oxygenated nutrient solution through the plant’s root zone ensuring pH and EC levels are uniform throughout the entire system.

System Specifications

Plant Spacing: 18"

# of Sites: 12

# of Rows: 3

System Dimensions: 4'7" x 8'4.5" / 1.4m x 2.55m

Total System Volume (Gallons/Litres): 90 / 341

Power Usage (Watts): 130

Recommended Chiller Size (HP): 1/4 - 1/2 HP

Under Current® Evolution 12 Recirculating DWC System Benefits



Grow Trees
: Yield More with Less. Reduce Plant Counts. More Production Per Plant. 



Get Your Weight: 
Accelerated Growth Rates. Cut Veg Times. Heavy Yields = Heavy Profits.


Take A Vacation: 
Easy and Reliable. No Timers, No Guesswork. Reduced Labor & Maintenance. 


Top-Shelf Results: 
Optimal Resin Output. Strong Terpene Profiles. Tests Clean.

Facility Proven
: Ideal for Craft Cultivation. Trusted by Professional Growers Worldwide.



All Under Current® Systems Include: 


NEW CCH2O Add-Back Kit
, Adjustable Float Valve with Reservoir, Adapter Kit, 
Drain Valve Kit

NEW CCH2O Multi Mod Growth Modules with Drain Well


NEW UC Drain Out Kit
, 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 Joints with UC Spin-Tight Bulkheads
, CCH2O Bulkhead Filters, 
CCH2O Bulkhead Wrench
Premium Mag-Drive Return Pump
, 1” Return Line 


NEW High Flow Aeration Manifold


NEW Air Pump Bank with CCH2O Air Flow Regulator
 Premium Linear Air Pump(s)
 Medium Round Air Stones 
Cultured Solutions® Grower’s Pack


3-Year Warranty