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Growlush Deep Water Culture System - Seven Pot

Growlush Deep Water Culture System - Seven Pot - 20L

The Growlush deep water culture (DWC) system provides everything you need to get started with this unique hydroponic growing method. Included in the kit is six 20L grow pots, one 20L reservoir, air pump kit, clay balls and more. This seven bucket hydroponic growing system will help achieve much faster results when compared to growing in soil.

About Deep Water Culture

DWC is a special type of hydroponics where plants grow with their roots immersed in an aerated nutrient solution. In a DWC setup, the plants are suspended in special pots or nets with their roots stretching down, immersed in a pool of aerated, nutrient-rich water.

DWC hydroponic systems operate based on the idea that plant roots can grow while submerged in water, provided the water is extremely oxygenated. The amount of water that is needed in a DWC system will vary based on the size of the root system. When the plant is young and has a small root system, the water level should come up about 1″ from the bottom of the net pot(s). Once the roots begin to grow down into the oxygenated and fertilised water, the water level should be lowered about 1-2″ a week until the bucket or container is between half and two-thirds full. The water level should stay at half to two-thirds full for the remainder of the growing cycle.

Benefits of Deep Water Culture

  • Simplest hydroponic system for beginners.
  • Low maintenance after setup.
  • Fast growing time compared to soil (lettuce has been reported to harvest in 30 days, rather than a minimum of 60 in soil).
  • Negligible moving parts and assembly.


In the box:

  • 6 x 20L grow pot
  • 1 x 20L reservoir
  • 1 x air pump kit (pump, air stone, hose)
  • 1 x drainage parts
  • 1 x water level parts
  • 1 x bag of clay balls
  • 1 x AUS Plug