Deep water culture (DWC) is a hydroponic method of plant production by means of suspending the plant roots in a solution of nutrient-rich, oxygenated water. Bubbleponics is where an air pump is used to provide extra oxygenation.
Traditional methods favour the use of plastic buckets with the plant contained in a net pot suspended from the centre of the lid and the roots suspended in the nutrient solution. An air pump powered aquarium air stone oxygenates the nutrient solution; if sufficiently oxygenated, the plant roots can remain submerged indefinitely. Once the plants are ready to flower, the level of the nutrient solution is gradually reduced to expose the roots to the air.
Plants absorb vastly more oxygen directly from the air than from the oxygen dissolved in water. Deep water culture allows plant roots to absorb large quantities of oxygen while also allowing the uptake of nutrients. This leads to rapid growth throughout the life of the plant.
- Foam fruit box
- Net pots
- Growing media. Perlite or expanded clay balls
- Hydroponic food
Theses hydroponic systems are ideal for beginners to try because it is easy to make, the parts are cheap, low maintenance and your plants will grow really well.