
NFT Aquaponics: Budget-Friendly Veggie Growing with Nutrient Film Technique

Why NFT Aquaponics is the Best Budget-Friendly Method for Veggies
Growing your own veggies doesn't have to break the bank. One of the most cost-effective methods in aquaponics is using an Nutrient Film Technique (NFT) aquaponics system.
Borrowed from hydroponics, this method is perfect for those looking to grow small herbs, lettuce, and strawberries on a budget.
Let's dive into how you can set up your own NFT system and the benefits it offers.
Understanding the NFT System: How It Works in Aquaponics
An NFT system is a popular method in both hydroponics and aquaponics. It's simple to set up and involves using a large enough PVC pipe (typically 90mm-100mm or 4-5 inches).
Holes are drilled along the top of the pipe to accommodate net cups where the seedlings are planted.

How the NFT Aquaponics System Works: Step-by-Step Setup Guide
Water flows through the PVC pipe from one end to the other, creating a thin film along the bottom of the pipe. This water film carries nutrients from the fish tank to the plants. Here’s a step-by-step breakdown:
Drill Holes in PVC Pipe: Create evenly spaced holes along the top of the pipe to fit your net cups.
Insert Net Cups: Place the net cups in the holes and plant your seedlings.
Water Flow: Ensure water flows through the pipe, no more than halfway up the pipe, to nourish the plants.
See how aquaponics works in action:
Key Benefits of NFT Systems for Aquaponics
Cost-Effective: Using PVC pipes and net cups makes the NFT setup one of the cheapest methods for aquaponics.
Simple Setup: Easy to assemble with basic materials.
Ideal for Small Plants: Perfect for small herbs, lettuce, and strawberries.
Check out my blog on the where to start with a herb garden.
Cautions to Consider: The Limitations of the NFT Aquaponics System
While the NFT system is budget-friendly and effective, there are a few things to watch out for:
Avoid Using Pool Noodles: Some people use cut-up pool noodles as a cheap alternative to net cups, but they often contain neurotoxins that can be harmful when cut.
Not Ideal for Large Plants: Fruiting plants and large plants with extensive root systems can become top-heavy and clog the pipes, causing instability and poor water flow.
Nutrient Distribution: Plants closer to the water inlet receive more nutrients than those further down the pipe. Long pipes can exacerbate this issue, leading to uneven growth.
Why NFT Aquaponics Perfect for Indoor and Small Spaces
The NFT aquaponics system is excellent for indoor setups and small spaces. For example, you can place one over a turtle tank. In such setups, basil can grow up to 18 inches before the pipe clogs. It's a simple, affordable solution that works well within specific parameters.

Check out this how-to on setting up a small aquaponics system
Final Thoughts on Using NFT Aquaponics for Growing Veggies
An NFT system is a fantastic, low-cost option for growing small vegetables in your aquaponics setup. While it has limitations, particularly with larger plants, its simplicity and affordability make it a popular choice for beginners and those with limited space.
To learn more about setting up an NFT system and other aquaponics techniques, get instant access to our free online aquaponics mini-course.
Discover how it works and take the next step in your aquaponics journey.
Learn More About Aquaponics: Start Your Growing Journey
Check out the COURSES page to learn how you can get started with aquaponics now. Click HERE.
Want to get your Eyes and Hands on the FREE Online Aquaponics Essentials Course?
This is a great free resource to really understand how aquaponics is a sustainable ecosystem that will grow your organic food is a productive way.
You learn how all the 'parts' make up the 'whole', and helps to give you the foundations of understanding aquaponics.
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Want to help out and Feed my Fish?? (They don't drink coffee)

Candy Alexander is a dedicated aquaponics enthusiast with a wealth of formal training in aquaculture. Over the past 15 years, Candy has been deeply immersed in both commercial and backyard aquaponics, honing her skills and expertise in this sustainable farming method.
Candy's passion lies in making aquaponics accessible to everyone. With a mission to simplify aquaponics, she believes that anyone can embark on this sustainable journey.
She encourages those new to aquaponics to "kick the tires" without a significant financial investment. Her guidance focuses on helping people start their aquaponics journey with small-scale systems, ensuring a low barrier to entry for newcomers.
Candy shares practical tips, step-by-step guides, and personal stories to inspire and guide readers on their aquaponics adventure. Whether you're a seasoned farmer or a curious beginner, Candy Alexander is your go-to source for simplifying aquaponics and fostering a sustainable gardening experience.