BuildASoil EM-5 All Natural Garden Cleaning ConcentrateFormula EM 5 is a versatile tool in your garden and is typically homemade. We realized that most gardeners needed Formula EM 5 when it was already too late for them to start brewing it all up and fermenting it. After we realized this we set out to create a product that would only include the very best ingredients and be shelf stable. Below we provide the recipe to make your own for free but have found that most people prefer to purchase our Pre Made