The Difference Between Deep Flow Technique and Deep Floating Technique

The deep flow technique and deep floating technique have very similar names, but they are two different types of hydroponic system.

In this article, you’ll learn the difference between the deep flow technique and deep floating technique hydroponic systems.

There are many different types of hydroponic systems, but they all use nutrient solution to grow plants instead of soil.

Some systems do this by actively delivering the nutrient water to the plant roots.

Others passively give the plant roots nutrient water, by letting them sit in it constantly.

This is the main difference between the deep flow and deep floating techniques.

Flow hydroponic systems combine the active and passive approaches, while the floating technique is only passive.

For the flow technique, a channel sits above a separate reservoir.

The nutrient solution is in the reservoir and gets pumped up into one side of the channel.

On the other side of the channel, the solution drains out to end up back in the reservoir.

The plants sit on top of the channel with their roots hanging down into the solution that gets pumped in.

You can learn more about how the deep flow technique in our blog, “How Deep Flow Technique (DFT) Hydroponic Systems Work.”

For the floating technique, there is not a separate channel.

Instead, the plants float on top of the surface of the nutrient water inside the reservoir.

So, the deep flow technique requires a water pump, and the deep floating technique does not.

The method of delivering nutrients is similar though.

For example, both keep the plant roots constantly exposed to the water. Other systems, like ebb and flow, do not.

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