Under Current ® Recirculating Deep Water Culture (RDWC) Hydroponic System XXL13 Expansion Kit RDWC Number Of Sites: 32

Number Of Sites: 32

Carries 3 lbs of wet product per tray

Total System Volume(Gallons / Liters): 118 / 447

Compatible with all fertilizer programs

Under Current ® Recirculating Deep Water Culture (RDWC) Hydroponic System XXL13 Expansion Kit RDWC Number Of Sites: 32Description Shipping & Refunds Price Match Ask a Question DESCRIPTION The Under Current Recirculating Deep Water Culture (RDWC) System 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 utilizes negative water pressure to recirculate oxygenated nutrient solution through the plants root zone ensuring pH and EC levels