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5 main mistakes in hydroponic growing and how to avoid them

5 main mistakes in hydroponic growing and how to avoid them



1. Improper control of pH and EC values

One of the most common and underrated mistakes in hydroponics is poor control of the pH and electrical conductivity (EC) of the nutrient solution. Plants absorb nutrients most efficiently within a certain pH range – usually between 5.5 and 6.5. If the values go outside this range, the absorption of important elements such as nitrogen, potassium and calcium is impaired.

How to avoid it:

 

2. Poor ventilation and temperature control

A hydroponic greenhouse or room must maintain stable growing conditions. High temperatures, humidity, or lack of circulation can lead to disease, rot, and stunted growth. It is especially important to provide sufficient carbon dioxide (CO₂) and fresh air.

How to avoid it:


3. Using inappropriate nutrient solutions

Not every fertilizer is suitable for hydroponic systems. Many novice gardeners make the mistake of using a soil-based fertilizer , which leads to salt buildup and root blockage. In addition, the balance of macro- and micronutrients is key.

How to avoid it:

4. Lack of regular monitoring of the root system

Roots are the “heart” of a hydroponic system. If left unchecked, they can become infected with bacteria, fungi, or rot due to lack of oxygen. This is often the result of poor aeration of the solution or a buildup of organic waste.

How to avoid it:

 

5. Too much light or not enough light

Lighting is a key factor in hydroponic growing, especially indoors. Some gardeners make mistakes such as using too much light, which can burn the plants , or the opposite – using too little light, which slows down photosynthesis.

How to avoid it:

  • Use LED hydroponic lights with the correct spectrum (blue for growth, red for flowering).
  • Adjust the distance between the lamps and the plants according to the manufacturer's recommendations.
  • Follow the daily light cycle – usually 16 hours for growth and 12 hours for flowering.


    Lumatek Zeus 600W Pro 3.1 LED - Grow and Bloom Lamp

 

Conclusion: Success in hydroponics is a matter of knowledge and observation

Hydroponics is a smart and sustainable way to produce food, but it requires attention to detail. By avoiding the mistakes above, you can significantly improve the health of your plants, increase yields, and save time and money.

Remember that regular monitoring, testing, and optimization are the keys to a successful hydroponic system.

 

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