All you need to know about City Greens outdoor NFT hydroponics kit

21.05.23 10:45 PM By Admin

City Greens outdoor NFT Hydroponics kit is a perfect choice for people who wish to experiment or try out hydroponics at home on a medium scale. Using completely food-safe and lead-free plastic makes it one of the best kits available in the market with such exceptional quality. You can easily start hydroponic farming or vertical farming with this kit as it contains all the hydroponics accessories required. The kit comes in two variants 24 planter and 40 planter. 

What are the contents of an outdoor NFT hydroponics kit?

  • Food-grade NFT channels
  • Plumbing pipes and connections
  • Stand
  • Reservoir (Nutrient tank)
  • Submersible pump
  • Digital timer
  • Air pump with air stone
  • Food-safe net pots
  • Fly-ash leca
  • Hydroponic nutrients
  • Seeds
  • Seed germination plugs
  • pH Up & pH Down
Essentially there are 2 major steps involved when you want to grow plants using a City Greens NFT hydroponics kit. 1. Assembling the NFT kit & 2. Growing the plants

1. How to Assemble Outdoor NFT Hydroponics Kit?

Refer to this video for detailed step-by-step instructions. 
  • Place the NFT channels on the stand and fix all the plumbing pipes.
  • Place the submersible pump in the reservoir tank and connect the pump to the plumbing pipe with a valve, that supplies water into the NFT channels.
  • Bring an electrical board near the kit with at least two sockets.
  • Connect the submersible pump's power plug to the timer and then fix the timer into the power socket. (the timer runs the pump at programmed times)
  • Insert the transparent air tube into the reservoir through the lid. Attach the air stone to this end of the tube.
  • Attach the other end of the tube to the air pump. Place the air pump outside the NFT set up in a dry area and connect the plug to the power source.
This completes the physical set-up of the NFT kit. 

2. How to Start Growing Plants

There are 4 simple steps involved in growing plants from seeds. Seed germination, Hardening the sapling, Transplanting, Monitoring & Maintenance.

a. Seed Germination

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1. Place one seed germination plug in each net pot without removing the outer cover. Then add 30 to 50 ml water to the plug to expand it completely.

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2. Sow 3-4 seeds around 1/2 cm deep in the germination plug. Place the net pots in a tray or plate and keep the tray in a warm and dark place to speed up the  germination process. 

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3. Keep the germination plug moist by spraying 5 - 10 ml of water once or twice a day (depending upon the weather in your area). The seeds will start to germinate in 3 to 7 days time. 

b. Hardening 

  1. Once the seeds have germinated, start exposing them to morning and evening sun for couple of hours a day. And increase sure the exposure gradually.
  2. Provide 10 - 15 ml of (regular or nutrient) water to the saplings everyday.
  3. For next 1 week, keep increasing the sun exposure gradually till the saplings develop 6-8 leaves.
  4. Once the sapling develops 6-8 leaves it is ready to be transplanted.

NOTE: Prepare a 500 ml nutrient solution by adding 1 ml each of N, K and P to 500 ml of water. Use this solution, once on alternate days to water your plants. Rest of the times use plain water. 

c. Transplanting

1. Place the NFT system in an area that gets a good amount of sunlight. (Note that if the sunlight is not adequate the plants will not grow properly).

2. Fill the reservoir with 18 litres of water. Add 2 ml of N, K, P and 2 ml of Greens, and 1 ml of Nutes per litre of water.

3. Connect the submersible pump plug to a power source directly and switch it on to run the pump for 3-5 minutes to ensure NFT channels are filled with nutrient water. Make sure to switch off the pump once the water starts to collect back in the reservoir.

4. Transfer the net pots to the planting spaces in the lid of NFT channels.

  • Once the NFT channels are filled with nutrient water connect the submersible pump to the timer and then the timer to the power source and supply power continuously. 
  •  The timer should always be in Auto mode to run the pump automatically.

d. Monitoring & Maintenance

1. Aeration

Turn on the air pump for an hour twice a day (preferably morning and evening)

2. Reservoir Water Level

Check the water level in the reservoir 2-3 times in a week and make sure the submersible pump is always inside water

3. Nutrient Addition

Add 1 ml of N, K, & P  and 2 ml Greens, 1 ml Nutes in one liter of water. Use it to top up the reservoir when the water level is low.

4. Monitoring Plants

It's a best practice to monitor the plants health frequently. Regular observation enables early detection of diseases and pest

Common issues you might face while growing.


When the germinated seedlings are not kept under the light their stem becomes thin & long (lanky), eventually the growth is reduced and the plants may die. To avoid this provide sunlight in the mornings and evenings after germination when the sun is not harsh.

When the water temperature is high plant roots can burn or rot. At times of such high temperatures make sure to place the system in shade.


Plants need light for photosynthesis, if the sunlight is not proper the plants becomes lanky (thin & long stem), chlorophyll production is reduced, and plants can turn pale green to yellow to white.


Insufficient oxygen availability can lead to root suffocation and promote the growth of anaerobic bacteria, potentially causing root diseases and negatively impacting plant health. Make sure to use the air pump regularly to have optimal oxygen levels.


At the time of fixing the plumbing connections make sure to connect them tightly to avoid any kind of leakages thereafter. Use 


Always make sure that the submersible pump is inside the water whenever it is operated. Else it can be damaged.

No matter what there are times when you might need a helping hand in your growing journey. We are dedicated to providing excellent customer support. Our knowledgeable and friendly support team is available to assist you with any questions or issues you may have. Whether you need help with installation, troubleshooting, or any other aspect of using our product, we are here to help.


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