<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->The patented Under Current® RDWC Hydroponics System is recognized as the gold standard for hydroponic crop production. The most proven and widely utilized Recirculating Deep Water Culture hydroponic system in the world, the Under Current® is renowned for producing the very highest quality fruits, flowers, and essential oil profiles. This unique, high-performance water culture system utilizes negative water pressure to recirculate oxygenated nutrient solution through the plant’s root zone. Requiring no timers, the 24/7 circulation and aeration encourages rapid root growth and ensures pH and EC levels are uniform throughout the entire system. Highly regarded for its unparalleled growth rates and record-setting yields, the Under Current® is simple to operate and well suited for residential, professional and commercial facility applications. Tight Spacing for More Smaller Plants Suitable for Veg and Pre-veg Applications Ideal for Auto Flower Varieties