There are 6 basic types of hydroponic systems; Wick, Water Culture, Ebb and Flow (Flood & Drain), Drip (recovery or non-recovery), N.F.T. (Nutrient Film Technique) and Aeroponic.
Here are some examples :
1. Hand watered system
2. Water culture system
Convert an aquarium into a simple hydroponic system. The plants are suspended on a floating Styrofoam platform. This hydroponics system is popular for classrooms because the roots of the plants are visible hanging below the floating platform.
3. Ebb and flow system
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