The Alien RDWC 6 Pot 20L Black Series is the culmination of Alien’s technical know-how and classic deep water culture growing. This is the Black System, which is the standard edition – The Silver System is the Pro version should you want the advantages that brings. In an RDWC system, the plant sits in a small net pot and its roots hang down into the pot below. Inside these pots, nutrient rich water flows constantly around the system, between each pot and back to the header pot again. Each plant receives the same amount of nutrition as the rest, standardizing the grow. In the bottom of each pot, a Jet Stream Air Ring pushes air through the water, dissolving large amounts of oxygen in it. It is this super oxygenation with the constant flow of nutrients that supercharges the plants.

Plants growing in the Alien RDWC 6 Pot 20L Black Series require very little by way of media – just enough for the small net pot. This serves to stabilize the plant while the roots are growing downward. Ridges on the net pot help prevent the media you use becoming waterlogged, reducing the risk of root rot and damping off. As there is no media in the main pot, the roots grow completely unimpeded and can therefore reach incredible sizes. All you really need to do is maintain the EC and pH of the water/ nutrient mix and you’re good to go. The Alien RDWC 6 Pot 20L Black Series features connections on the header pot to link up to a chiller to further your control over the system. When ordering, you’ll need to specify if you want the Jet Stream Silent pump to take advantage of this.

Alien Systems Information

Please note – At the moment, these systems do not come with an air pump, so you’ll need to purchase one separately. To see what air pumps and compressors we have, please click here. You can find the air flow requirements in the spec list below so be sure to find an air pump that is compatible. You can also find lots of information on the Alien Website (Link opens a new window).

Alternatives to the Alien RDWC 6 Pot 20L Black Series

At Canterbury Hydroponics, we can also order the Silver version of this system if you’d prefer that. It offers larger pipes, light reflective pots, heavy duty water filters and more. We also can order the Aero Systems, V-Systems and Rain Systems. To have a browse through other hydroponic systems on our site, click here.

Parts

  • Pots
  • Lids
  • Net pots
  • Pot clips
  • 32mm Straights
  • 32mm Elbows
  • Nuts
  • Washers
  • Spanner
  • Pipe cutters
  • Instructions
  • Air stones
  • Suckers
  • Air-line
  • Connectors

Pipe

  • 4mm green
  • 16mm green
  • 19mm black
  • 32mm green

System specification:

Minimum footprint:

Length: 1.45m Width: 0.7m
(Pots as close as possible)
(without tank)

Maximum footprint:
Length: 1.7m Width: 0.96m
(with supplied amount of pipe)
(60cm plant centres)

System Volume: 105L

Recommendations: 

Water tank: 100L

Air requirments: 30L/min

Water chiller: 150L

Plant centres: 50cm

Veg time: 7-10 days

Water Pump:

Model: JET-STREAM™ SILENT 1.0

Maximum Flow: 950 L/hr

Power: 16W

Water Tank

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Option

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