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How to Get Started With Hydroponic Growing in Coco Coir

Coco Coir in Hydroponics

Are you interested in hydroponic growing and looking for an alternative to soil? Coco coir might be the perfect solution for you. This growing medium is made from the fibrous husks of coconuts and has become increasingly popular among hydroponic growers due to its many benefits. In this guide, we will go over everything you need to know to get started with hydroponic growing in coco coir.

What is Hydroponic Growing?

Hydroponic growing is a method of growing plants without soil. Instead, plants are grown in a nutrient-rich water solution that is delivered directly to the plant's roots. This method is highly efficient and allows for faster growth rates, higher yields, and more control over the growing environment.

Why Choose Coco Coir as a Growing Medium?

Coco coir is a popular alternative to traditional soil because it is more sustainable, renewable, and eco-friendly. It is also highly versatile and can be used in a variety of hydroponic systems, including drip systems, ebb and flow systems, and deep water culture systems. Here are some of the benefits of using coco coir:

  • Coco coir is a renewable resource that is made from the waste products of coconut farming.

  • It is pH neutral, meaning that it won't affect the pH of your nutrient solution.

  • Coco coir is highly absorbent and retains water well, which means that it requires less frequent watering.

  • It is also resistant to disease and pests, making it a low-maintenance option.

  • Coco coir is a lightweight and fluffy medium, which allows for plenty of aeration and oxygen to reach the plant's roots.

How to Get Started With Hydroponic Growing in Coco Coir

1. Choose Your Hydroponic System

There are many different types of hydroponic systems to choose from, including:

  • Deep water culture systems

  • Ebb and flow systems

  • Drip systems

  • Nutrient film technique systems

  • Wick systems

Each system has its own advantages and disadvantages, so it's important to choose one that will work best for your needs and budget.

2. Choose Your Coco Coir

There are two main types of coco coir: buffered and unbuffered. Buffered coco coir has been treated with calcium and magnesium to adjust the pH and remove any excess salts. Unbuffered coco coir is more affordable but requires buffering before use.

3. Set Up Your Hydroponic System

Once you have chosen your hydroponic system and coco coir, it's time to set everything up. Follow the manufacturer's instructions to assemble your system, and then fill it with your nutrient solution.

4. Plant Your Seeds or Cuttings

Now that your hydroponic system is set up and filled with nutrient solution, it's time to plant your seeds or cuttings. Use a small amount of coco coir to anchor your seeds or cuttings in place, and then cover them with a layer of coco coir.

5. Maintain Your Hydroponic System

To ensure the health and growth of your plants, it's important to maintain your hydroponic system regularly. This includes monitoring the pH and nutrient levels of your solution, checking for pests and disease, and pruning your plants as necessary.

FAQs About Hydroponic Growing in Coco Coir

Q: How often should I water my plants in coco coir?

A: Coco coir is highly absorbent and retains water well, so you will not need to water your plants as frequently as you would with soil.

Q: Can I reuse coco coir?

A: Yes, coco coir can be reused multiple times. However, it's important to properly clean and sterilize the coco coir between uses to prevent the spread of disease and pests.

Q: How do I know when to add more nutrients to my hydroponic system?

A: It's important to regularly monitor the pH and nutrient levels of your solution using a pH meter and a nutrient testing kit. If the nutrient levels are low, you can add more nutrients to the solution according to the manufacturer's instructions.

Q: Do I need to add any supplements to my coco coir?

A: Coco coir is a pH neutral medium and does not require any supplements. However, some growers choose to add supplements such as beneficial bacteria or mycorrhizal fungi to improve plant growth and health.

Q: Can I grow any type of plant in coco coir?

A: Yes, coco coir can be used to grow a wide variety of plants, including vegetables, herbs, and even flowers. However, it's important to choose the right type of coco coir and nutrient solution for the specific plants you are growing.

Q: Is coco coir better than soil for hydroponic growing?

A: Coco coir has many benefits over traditional soil, including improved water retention, disease resistance, and sustainability. However, the best growing medium for hydroponic growing depends on the specific needs of your plants and your growing system.

Q: Where can I buy coco coir?

A: Coco coir can be purchased at most hydroponic stores and online retailers. Be sure to choose a high-quality coco coir that is free of contaminants and additives.


Hydroponic growing in coco coir is a sustainable and efficient way to grow plants without soil. By choosing the right hydroponic system, coco coir, and nutrient solution, you can achieve high yields and healthy plants. Remember to regularly monitor and maintain your hydroponic system to ensure the best results. Happy growing!

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