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Introduction to Hydroponics 1-3

Four Primary Hydroponic Growing Methods

Ebb and Flow Hydroponic
 Ebb and Flow


Plant pots filled with growing medium

The nutrient solution is pumped from the reservoir up into the garden for a given period of time, the growing medium absorbs the nutrient solution, and then the nutrient solution is allowed to drain away.

Hydroponic Drip System
Drip System

Rockwool Cube

Drip Line

to nutrient reservior

The nutrient solution is dripped onto the growing medium on a timed basis providing the plants with fresh water, nutrients and oxygen.

Hydroponic NFT


Side view of grow channel in from nutrient reservoir
The plant roots develop in the grow channel. The top of the roots are exposed to air. The bottom of the roots are exposed to the nutrient solution.

Hydroponic Passive System  Passive System


Stagnant Nutrient Reservoir

 Although nearly maintenance free, most passive systems will have slower growth and development since there is no fresh oxygen brought into the root base.