Vertical Hydroponics

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John Robb:

"I'm always on the look out for ways to make it easy to produce lots of food in small areas with the least possible effort. One way to do that is via wall mounted hydroponics systems that use the nutrient flow technique (NFT).

NFT is simply a hydroponics system that flows an aerated nutrient solution (compost tea) across the roots of plants. Usually, this is the technique used in big commercial hydroponics systems.

Here's an example of a kit from a New Zealand company called Grower Technology in a smaller, vertical application." (