How To Build Hydroponic Garden Tower (Easy Fix)

Hydroponics is a method of growing plants without soil. It’s a great way to get the most from your limited space and even use vegetables in your garden that wouldn’t usually do well because of poor soil conditions. 

Hydroponic gardening can be done on any scale, from a small container garden to something as large as an entire greenhouse. 

In this guide, we’ll show you how to build one such tower hydroponic system that you can set up yourself in just a few hours!

DIY Hydroponics Garden Tower Build | Less than $150
Key Takeaways
The benefits of Hydroponic Tower Gardening
Different kinds of plants you can grow in a Hydroponic Tower
Pros and cons of building a Hydroponic Tower Garden
What to consider before building your Hydroponic Tower Garden
Step-by-step process for building a Hydroponic Tower Garden

Step 1: Preparing The Tower

Place the tower on a flat, dry surface. Make sure it’s stable and not in direct sunlight or exposed to rain or water.

Fill up your reservoir at least halfway with water from the garden hose (you’ll use this later). Make sure that you’re using a clean, clear hose that doesn’t have any kinks in it; otherwise, you may end up with dirty water going into your reservoir!

Looking to add more variety to your hydroponic system? Check out our guide on building a DWC hydroponic system for a new way to grow your plants without soil.

Step 2: Set The Tower On The Net Cups

Now you have the base of your tower, so it is time to set it on the net cups. This should be fairly simple if you followed our instructions for setting up your 2x4s. 

We highly recommend using zip ties or similar fasteners to secure the net cups to each other and also secure them to the base. 

You want these things attached very securely because they are holding all of your plants! Make sure that there are no gaps between any parts of your tower or in between any materials that could allow water from underneath seep into places where it shouldn’t go (like inside of an air pump).

To make sure everything is held tightly together, you may need some additional support under certain pieces–like at points where plywood meets wood framing material like 2x4s or poles–so keep this in mind when designing how tall/wide/long each piece will be before gluing anything down permanently

Step 3: Add Growing Media And Plants Into The Net Cups

Now that you have your net cups, growing media, and plants, it’s time to put them together!

Add the growing medium into each cup until it reaches the rim of the cup. The depth should be around 3” (7.62cm), but this will vary depending on what kind of plant you want to grow in it. 

You will also want to make sure that there is enough room for roots to grow down into the soil so that they can get all of their nutrients from there instead of from nutrients being sprayed onto them from above. 

Take your hydroponic gardening to new heights with our guide on building the rain tower vertical hydroponic system. This innovative system can help you maximize space while growing all of your favourite plants.

Step 4: Water Reservoir

The water reservoir should be at least two to three times the size of your net cups. It should also have a water level controller and be transparent so you can see the water level at all times.

In order for your plants to grow properly, they will need enough nutrients in their environment for their roots to reach out and absorb them. 

You can add nutrients by dissolving them into water before adding them to your system or via liquid fertilizer that is diluted with water every few days or weeks as needed.

Water Reservoir Tips

Water Reservoir Tips
Choose a water reservoir at least two to three times larger than the net cups.
Use a water level controller for consistent water levels.
Ensure the water reservoir is transparent for easy monitoring of water levels.
Keep the water clean and free from debris.
Check for leaks or cracks in the reservoir and replace as needed.

Step 5: Pumps And Air Stones

Air stones and pumps are used to oxygenate the water. The air stone should be placed at the bottom of the water reservoir, and the pump should be connected to it by tubing. The pump should be placed in the middle of your tower for best effect.

Tomatoes are a popular choice for hydroponic gardening. Follow our guide on building a hydroponic system for tomatoes for helpful tips on getting the best yield and quality from your crop.

Step 6: Add Water

Now that you’ve got your reservoir cleaned, it’s time to add the water. Make sure you use clean, chemical-free water. If your tap water has a funny smell or taste, let it sit out for a few hours to let the chlorine evaporate. 

Then fill up your reservoir with enough clean water so that when you put in your plants and growing medium, there is about two inches of headspace above them (you’ll see how much room they take up later). 

To make sure everything stays at the right level as it grows, check on the level every couple weeks by filling in more water if necessary.

Step 7: Choosing The Right Lighting

The light source should be fluorescent tube lights or LED grow lights. You also need to choose the right wattage for your plants, as well as the right color temperature of light and distance from plants.

Interested in hydroponic gardening but don’t have much space? Try building a hydroponic bucket system. This compact system is easy to set up and maintain, making it a great choice for beginners.

What Nutrients To Use?

If you are growing hydroponically, what nutrients to use depends on what you are growing. To figure this out, you need to test the pH level and nutrient level of your water. 

These tests can be purchased at any garden store or online. Once you know what kind of nutrients you need, it’s time to get mixing! 

The best way to do this is by following a recipe that uses ingredients in their recommended proportions. 

This recipe should also tell you how often it needs changing so that there isn’t too much or too little in the reservoir tank for optimal growth conditions for your particular plant type..

Maintenance Tips

Keep the water reservoir full. This is the most important part of your garden tower, so make sure that it’s always topped off with water. If you notice that some plants are wilting or otherwise not looking healthy, increase the frequency of watering and check for signs of pests or disease.

Make sure to keep your growing media moist. Many hydroponic garden towers come with a tray at the bottom (or multiple trays) where you can place perlite or another lightweight growing medium like vermiculite in order to provide moisture to each plant’s roots as they grow up toward their respective net cups filled with nutrients.

Keep air stones clean! Air stones are used in many types of hydroponic systems because they help oxygenate the water surrounding your plants, which helps them grow faster and healthier than if they were simply kept floating around without any means of getting access to air at all times during their growth cycle

Maintenance Tips

Maintenance Tips
Keep the water reservoir full.
Check plants regularly for signs of wilting or disease.
Monitor water pH levels and nutrient balances.
Adjust lighting and temperature as needed.
Use organic pest control methods.

Installing artificial grass is a big investment, so it’s important to take good care of it. Follow our guide on how to care for artificial grass to keep your lawn looking great year-round. From cleaning and maintenance to weather protection, we’ve got you covered.


Hydroponics is a great way to grow plants and vegetables. If you have limited space in your garden, then consider building a tower hydroponic garden. 

The first step to build a hydroponic tower garden is by preparing the materials needed for this project. 

After that, set up your towers on top of net cups filled with growing media so that water can flow through them freely without getting stuck at any point. 

Add more growing media until it reaches the top of each cup where you will add plants like tomatoes or lettuce which need sunlight for photosynthesis process.

Further Reading

Interested in learning more about hydroponic tower gardening? Check out this guide from Indoor Home Garden on how to build a hydroponic garden tower for helpful tips and insights.

For more information on hydroponic towers, Garden Season has a comprehensive guide on how to build your own hydroponic tower with step-by-step instructions and a list of materials needed.

The Oklahoma State University extension has a fact sheet on building a vertical hydroponic tower that provides detailed information on how to build and maintain your own tower.


What is Hydroponic Tower Gardening?

Hydroponic tower gardening is a method of growing plants vertically without soil, using nutrient-rich water instead.

What are the benefits of Hydroponic Tower Gardening?

Hydroponic tower gardening maximizes space, saves water, and produces higher yields in less time compared to traditional gardening.

What kinds of plants can I grow in a Hydroponic Tower Garden?

You can grow a variety of plants using hydroponic tower gardening, such as herbs, vegetables, and flowers.

Can I build my own hydroponic tower garden?

Yes, it is possible to build your own hydroponic tower garden with the right materials, instructions and guidance.

Is Hydroponic Tower Gardening difficult to maintain?

Hydroponic tower gardening can be easier to maintain than traditional gardening since there’s no soil to tend to. However, proper maintenance is still important, such as monitoring pH and nutrient levels, and ensuring proper light and temperature control.