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DIY Worm Compost Tea: The Basics

Updated on January 10, 2020

What is a Worm Casting Tea?

By doing a DIY Worm Compost Tea, you’ll know that this product comes from red worms castings, or worm ‘droppings’.

Although this nutrient-filled solution is very beneficial for your organic gardening needs, it is not advisable for human and/or animal consumption.

This specific tea consists of worm castings that are soaked and ventilated in water for several days. It can also be used as an organic fertilizer

It’s easy to make and use a natural liquid fertilizer (also known as worm tea). It not only is good for your plants and soil, it is also easy to apply.

When compared to the usual manual spreading and plowing of your composting worm solid castings, the liquid fertilizer material can be easily watered (can be used with a foliar spray) on the plant and soil.

You can either make one or buy organic fertilizer online. Either way, going all natural is still the best way.

Benefits of Worm Casting Tea for Your Garden

So what can this vermicompost tea product still do for your garden? Well, your DIY Worm Composting Tea can be used as an organic fertilizer, it can help boost the plant’s size and yield in the process, as its microbes and particles also interact with the soil and roots of the plant.

Plants grown in soil that are treated with this kind of tea, comes out more healthier compared to plants that are grown using chemical fertilizers.

This tea product and its organisms, also help generate the following needs of a young plant or seedling cutting like: hormones, vitamins, nutrients, enzymes, amino acids and minerals.. Their food value increases too since they have the necessary nutrients.

How To Make Compost Tea From Worm Castings

When preparing to make this vermicomposting tea product, you can start by setting up the necessary materials and ingredients for it. This tea product needs worm castings of course; castings that you’ve purchased or grew at home.

You will also need a paint strainer cloth, a 5-gallon bucket that is filled with well-water, or water that you’ve left overnight (make sure it’s chlorine free), an air pump, two airline tubing’s, air stones, and molasses.

The Recipe

Use compost worms for this project. Start the process by placing 4 cups of worm castings on a paint strainer cloth. Tie the cloth firmly. Next, fill your 5-gallon bucket with 4 to 6 inches of water; and then place the bag of worm castings into the water. You can tie the bag onto the bucket handle, and leave it soaked under the water.

After this, use and plug-in an air pump, and place two airline tubing’s to the air stones. You can place these under the bucket. This will not only create bubbles in the water, but also produce valuable microbes. After you’ve done this, put in a cup full of molasses into the bucket; and then leave it for 2 to 3 days, letting the air pump run in this duration as well.

Around this time, you’ll be able to see the results of your small project. You’ll see the content of your bucket with froth on top of a brownish liquid. Finish up by taking out the bag and by pouring the contents of your worm tea (using a small container) on your plants and soil.

Fact: Organic Weed Killer

Using a liquid organic fertilizer (from worm castings) is very useful, as it can be turned into an organic weed killer as well.

Gardens with weed problems can use this natural fertilizer to bring back the nutrients that have been lost from this weed attack. Worm tea can also help in reducing weed growth from coming back.

All the Benefits of Compost in a Tea Form

Red worms castings that are turned into liquid fertilizers have a lot of beneficial uses for it, apart from being cost-efficient. Aside from being organic and all-natural (and also environmental-friendly), it also helps bring back the health of your plants and soil (especially for eroded soil that needs detoxifying).

Using worm tea can also increase the following: the fertility of the soil, flowering (develops the growth of fruit and flowers better), pest control, and disease control.

Take note that worm tea is chemical-free, so it won’t harm your plants and soil. The use of a liquid organic fertilizer will definitely make your plant growth stronger; and will also help improve soil biology.


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