RDWC Hydroponic System 8 gallon 4-site

Maximize your plant growth with the 4-Site 7.9 Gallon RDWC Hydroponic Grow System! Designed for serious growers, this Recirculating Deep Water Culture (RDWC) System provides your plants with continuous access to oxygenated, nutrient-rich water—resulting in healthier plants, faster growth, and higher yields.

With four 7.9-gallon grow sites connected via 50mm PVC piping, this system is ideal for growers using a 4'x4' or 5'x5' grow space. A powerful 400 GPH submersible pump keeps nutrients evenly distributed, while a 35 L/min high-capacity air pump ensures optimal root oxygenation. Includes ball valves for recirculate or pump-to-drain 

• Easily expandable to a 6 or 8-site system with optional expansion packs

  • 2-Site 8 Gallon RDWC Expansion Pack

  • 4-Site 8 Gallon RDWC Expansion Pack

• Low-maintenance system with a single top-up reservoir
• Prevents algae, bacteria, and fungi growth for cleaner roots
• No extra tools required – quick and simple setup

RDWC System Dimensions:

• 2 Site 7.9 Gallon RDWC System, 38" x 19"
• 4 Site 7.9 Gallon RDWC System, 38” x 43.5”
• 6 Site 7.9 Gallon RDWC System, 38” x 68.5”
• 8 Site 7.9 Gallon RDWC System, 38” x 93”

Additional accessories available with our 8 Gallon RDWC:

• Automatic Fill Float Valve Assembly

Upgrade your hydroponic setup and grow like a pro with this powerful RDWC system!

Includes:

• 2 x 7.9 Gallon ‘pass-thru’ Grow Site (12.5" x 12.5" x 16.25") with Lid and Net Pot
• 1 x 7.9 Gallon ‘left-corner’ Grow Site (12.5" x 12.5" x 16.25") with Lid and Net Pot
• 1 x 7.9 Gallon ‘right-corner’ Grow Site (12.5" x 12.5" x 16.25") with Lid and Net Pot
• 1 x 7.9 Gallon Reservoir (12.5" x 12.5" x 16.25") with Lid
• 2 x Straight Connector PVC Tubes with Large Silicone Rubber Seals
• 1 x XL Tee Connector PVC Supply Tube with Large Silicone Rubber Seals, Straight and Right-Angle Union Connectors
• 2 x XL Right Angle Connector PVC Tubes with Large Silicone Rubber Seals
• 1 x Water Supply Ball Valve Assembly with Straight and Right-Angle Union Connectors
• 1 x Drain Outlet Ball Valve Assembly with Straight and Right-Angle Union Connectors
• 1 x 400 Gallon/Hour Submersible Recirculating Water Pump
• 1 x Bottom Draw Pump Fitting for Recirculating Pump
• 1 x 3/4" Water Supply ‘T’ Assembly with 1/2” Thread Pump Connector
• 1 x 3/4" Water Supply Tubing (7')
• 3 x 3/4" Hose Clamps
• 1 x Bulkhead Fitting with 14mm Red Cap
• 1 x 3/4" Drain Tubing (5')
• 1 x 35 L/min High-Capacity Super Quiet Air Pump with 10 Outlets
• 2 x 30’ x Black Air Tubing
• 6 x Cylinder Air Stones (4” x 2” Dia.)
• 1 x Fitting Wrench
• Instructions
• 6L Clay Pebbles
• 4 x 6" White Foam Collar for Net Pot
• 1 x Foam Insert for Reservoir Lid