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The Basics on DIY Worm Compost Tea

Updated on January 8, 2011

What is Worm Compost 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

Materials and Ingredients for making Worm Compost Tea

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.

How to make Worm Compost Tea

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.

Benefits of Worm Compost 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. offers quality organic gardening products. Buy live and healthy worms for composting like Red Wiggler worms and European Nightcrawlers. You can also buy organic fertilizers, herbicides, pesticides and other green gardening supplies and equipments here. Visit their site and browse their catalog to know more about their products.


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      7 years ago

      I built a worm bin in a 25 gal Rubbermaid Tote, drilled 5/16" holes only in the sides and ends, NOT the top and bottom. Then installed a PVC drain valve in one end near the base of the unit. Total cost to build, about $10. Then put a bag of gravel over the drain valve intake, filled with bedding, kitchen waste and worms. I pour a 2 gallon watering can of water over the worm bin contents 2 or 3 times daily and quickly put the can under the spigot and turn on to allow it to drain to the can. PRESTO, worm tea and works very well. No waiting 3-6 months for castings to be harvested, no lengthy process of brewing is necessary. You can start the above tea harvesting process within a couple of days of starting your new worm bin. Just too simple, too easy, yet very effective!

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      9 years ago

      Can you substite the molassis with commercial nutrients if you happen to have them (bio canna vega, biobizz grow, etc.)? Because they are also rather sweet smelling so I imagine there are sugars in those too?


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