Tuesday, January 11, 2011

“DWC”

DWC: (Deep Water Culture)


Deep water culture is a system in which the roots of a plant are suspended in a mix of water and nutrient solution that is oxygenated and aerated by an external air pump, that prevents from root rot.
Plants are usually planted in net pots which are filled with soilless medium. Popular mediums include hydroten, Rockwool, and grow stones. In this grow I will be using a combination of mostly hydroten, and a Rockwool cube the plant was cloned into.  Net pots are to be suspended above water level about 5cm. However when plants are just starting out and the roots haven't touched the water, you want the level of water to be about 2-3cm above the bottom of the net pot.
Most importantly in this system you want good aeration in the part of the tub or bucket where water is. Lots of bubbles!!! This is probably the most important part of the system, because it prevents the roots from rotting. This can be achieved with a simple aquarium air pump and aquarium tubing both can be purchased for a low cost at your local Wal-Mart or pet store.


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