How Hydroponics works

Hydroponic manual for Supragarden

Growing on Nursery Level

Nursery level plus water tank is the base for PlantSteps but you can also grow small and big plants there.

It can be used with several hydroponics techniques, even combined at the same time.

These watering techniques listed below have different benefits and each gardener should select the fittest method according to plants, size and their growing phase.


Nutrient Film Technique (NFT) is perfect for salads and herbs, but great also for most household plants that like water.

A stream of water flows inside PlantSteps body and come back to Nursery level where waters plant roots. With NFT you can use even constant water flow and optimize growing speed of lettuce etc.


Ebb and flow

Also called Flood and drain -system. There water level is raised some 10-45 millimeters, time-to-time, according to timer setup. Typically 5-12 times during the day and none during the night.

Ebb & flow is good for young plants who do not have yet roots reaching outside net pot.



Deep Water Culture means that plant roots are growing in the water tank. Plants live in net pots at the PlantSteps holes on nursery level. This is an efficient way to grow big fruit plants like chilies and tomatoes.

With DWC you have to make sure water gets enough oxygen or plant roots will drown. This can be done by pumping the water often, almost constantly, or by adding an air pump and an air stone to the system.



You can also combine these hydroponic techniques. PlantSteps can be using NFT and Nursery level Ebb&flow and also DWC together with big plants on Nursery level corner holes. You just divide water rise pipe from the pump to two lines. One going to the top of PlantSteps and one going to Nursery level connection. For lower line a valve may be needed to adjust water flow equally for both levels.


You can find more information about hydroponic growing techniques from the internet. Like Aquaponics, where the aquarium is the water tank and fish waste is the nutrient source for plants. That is the real local and organic food.

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