Aerated compost tea is becoming increasingly popular within organic gardening circles, yet producing such teas still remains a mystery to many. Here at the Eco School we decided to take on the challenge of brewing up a simple aerated tea as a way of adding beneficial microorganisms to the plants and the soil. We began our experiment with a 15 liter plastic bucket and an old fish tank air pump. In the bucket we suspended two cups of compost rapped in a loose-weave cloth and placed the aerator tubes at the bottom. The bucket was then filled with chlorine-free water. We set the tea outside with the aeration on for twenty four hours.
Commercial compost tea producers rely on laboratories to check for the proper numbers and types of microorganisms they have in their tea. We are going to rely on some well-made compost and a little luck. I have attached additional links for more reading about aerated compost teas below.