Limited supplies are required for the non‐aerated compost tea production. The passive brewing method is simple, inexpensive and requires primarily a good grade of compost, and a container to brew the tea with occasional stirring. In contrast, there are a growing number of suppliers who provide equipment such as specialized containers, pumps and tubing and a variety of nutrient additives and microbial supplements such as “Effective Microorgamism” or EM•1”for brewing and application of the aerated compost tea. In addition, ready to use compost tea is available from large scale manufacturers. Some of these major suppliers & manufacturers include: