Hydroponics - What is an NFT system?
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What Is a Hydroponic NFT System?
If you've been exploring the world of hydroponics, you've likely come across the term NFT system—but what exactly does that mean? Whether you're a curious beginner or a hobbyist looking to upgrade your setup, understanding the NFT system (short for Nutrient Film Technique) is a great place to start. Let’s break it down.
What Is Hydroponics?
Before diving into NFT systems, it’s important to understand hydroponics itself. Hydroponics is a method of growing plants without soil, using a nutrient-rich water solution instead. The roots receive everything they need—water, nutrients, and oxygen—directly, resulting in faster growth, better yields, and less water usage than traditional gardening.
What Does NFT Stand For?
NFT stands for Nutrient Film Technique. It’s a popular type of hydroponic system that works by creating a thin film of nutrient solution that continuously flows over the roots of the plants. This steady flow delivers nutrients and oxygen efficiently—making NFT systems a favourite among commercial growers and home gardeners alike.
How Does an NFT System Work?
An NFT system typically includes:
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A slight slope or angled channel where the plants are placed
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Net pots that hold the plants above the channel
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A reservoir filled with nutrient solution
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A water pump that circulates the solution from the reservoir to the top of the growing channel
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A return drain where the excess solution flows back into the reservoir
As the nutrient solution moves along the channel, it forms a thin film that touches the plant roots. The roots absorb what they need while also being exposed to air, giving them access to oxygen—critical for healthy growth.
What Are the Benefits of NFT Systems?
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✅ Water Efficient: Uses a closed-loop system that recycles water
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✅ Space Saving: Great for vertical and small-space growing
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✅ Fast Growth: Direct delivery of nutrients to roots encourages rapid development
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✅ Low Maintenance: Once set up, it’s mostly hands-off
What Can You Grow in an NFT System?
NFT systems are best suited for lightweight, fast-growing plants with smaller root systems. Examples include:
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Lettuce
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Spinach
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Kale
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Herbs like basil, mint, and coriander
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Strawberries
Larger or heavier plants (like tomatoes or cucumbers) may need extra support and might not be ideal for beginner NFT setups.
Is NFT Right for You?
If you're looking to grow fresh greens quickly, efficiently, and cleanly—especially in limited space—then a hydroponic NFT system could be a perfect fit. It’s widely used in both commercial greenhouses and home gardens thanks to its simplicity, scalability, and impressive yields.
Final Thoughts
Hydroponic NFT systems offer a smart, sustainable way to grow fresh produce all year round. With the right setup and a bit of practice, anyone can master this technique and enjoy healthy, homegrown greens straight from their own hydroponic garden.
Thinking of getting started with hydroponics? Our outdoor NFT hydroponic towers make it easier than ever. Check out My Greens Hydroponics Ltd to learn more!