Linear Deep Water Culture System for 3 plants – ideal for legal grow tents
This RDWC system with three 20 L pots arranged in a row is the perfect solution for anyone who wants to grow legally and space-optimized. The linear design is ideal for rectangular grow tents measuring 120×60 cm or larger and utilizes the space efficiently. The integrated return circulation distributes nutrients evenly across all modules, creating a stable, oxygen-rich environment for healthy roots and vigorous growth.
✅ Benefits at a glance
✅ Legally compliant – perfect for 3 legally cultivated plants according to German cannabis law
✅ Linear design – ideal for narrow or rectangular grow tents
✅ Even return circulation – stable EC/pH values in all pots
✅ 20 L pot volume per plant – for large root systems & strong plants
✅ Ideal for beginners, home growers & modular DIY systems
🛠️ Technical features
System content:
– 3 × 20 L plant pots (black, opaque)
– 1 × central tank (20 L)
– 4 × net pot lids (Ø approx. 14–15 cm)
– 32 mm piping (modular, flexibly extendable)
– Return pump with quiet operation
Installation dimensions: approx. 120–140 cm length (depending on distance), 35 cm depth
Material: Robust, food-safe plastic
Compatibility: Hydroton, Rockwool, Root Riot, Airstones & more
🔧 Application & Instructions
Construction:
-
Assemble the system without tools – insert pipes and seals
-
Fill with water/nutrient solution & connect the return pump
-
Plant plants in net pots with substrate
-
Optional: Supplement aeration with air stone + air pump
Tip: Ideal for narrow tents (120×60 cm, 150×60 cm, 90×90 cm)
Care: Change nutrient solution weekly, check EC/pH regularly
