Chemical-Free Methods of Growing Your Hydroponics

Plants need nutrients to thrive, especially when you are growing hydroponics. These plants rely on the chemicals you’ll add in their water for them to flourish well. If you’re not a fan of using too many chemicals for your plants but don’t want them to die for the lack of nutrients, you can go for a more natural solution. There is an organic way of supplying your plants with the nutrients they need, and we’ll show you two ways to do it in this article.

1. Using the organic tea method

This method resembles how tea works; that’s why it’s called the organic tea method. 

Here’s what you need:

  • Two large buckets
  • Compost or worm casting (well-aged and broken down into a crumbly and dirt-like substance)
  • Stirrer
  • Layers of cheesecloth
  • Colander

Here’s what you should do:

  • Fill half of a large bucket with either compost or worm casting, or you can choose to combine to the two.
  • Add water until it reaches the top of the bucket.
  • Stir everything inside well and leave it for at least 24 hours.
  • After one day, you’ll see that the water is dark enough.
  • Place layers of cheesecloth on a colander and put it on top of an empty bucket.
  • Now, you’ll pour the dark brown water from the compost through the colander and into the empty bucket.
  • Use this liquid as the reservoir water on your hydroponic system.
  • Replace the liquid at least once a week or as soon as you notice the plants experiencing nutrient deficiencies.

Important Note:

Having lumps left in your organic tea may cause a clog onto your hydroponic systems’ pump. You must ensure that the water you use will have no remnants left to avoid pump failure. If you notice that you still end up with lumps in your water despite the layers of cheesecloth, try repeating the filtering process until you have a pure liquid solution.  

2. Using commercial and organic products 

You can also create a natural plant booster using organic products you can purchase in the market.

Here’s what you need:

  • Bucket
  • Gallons of water (equivalent to how much you need for your reservoir)
  • Measuring spoon
  • Commercial organic fertilisers (water-soluble)
  • Epsom salts
  • Stirrer

Here’s what you should do:

  • Pour gallons of water to the bucket or directly to your hydroponic system’s reservoir.
  • Add two teaspoons of water-soluble commercial organic fertiliser for every gallon of water you need.
  • Add one teaspoon of Epsom salt to every gallon of water you use. 
  • Stir the water until all the elements are dissolved.
  • Replace the liquid every week.


Using organic methods for your hydroponics is a great initiative, but it also comes with a challenge. Determining the nutrient level of natural, human-made sources is difficult; therefore, you must carefully watch your plants for any signs of trouble. If you notice brown spots or yellowing leaves, or your plants changing to odd colours, these are signs that they’re experiencing certain deficiencies. You need to replace your liquid or make specific actions to improve the situation. 

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