Check the listing for details. Microbe Life Hydroponics Vegetable & Fruit Yield Enhancer 1 Gallon GUARANTEED!. Condition: New. Listed at 89.50 USD. Microbe Life Hydroponics Vegetable & Fruit Yield Enhancer 1 Gallon GUARANTEED! A highly active and balanced blend of microbes and humic substances that combines photosynthetic cultures and essential elements. Formulated specifically to enhance the yield of vegetables and fruit by aiding the plant’s ability to absorb nutrients more efficiently. With Endo Mycorrhizal FungiWhat it is:A highly active and balanced blend of microbes and humic substances that combines photosynthetic cultures and essential elements. Formulated specifically to enhance the yield of vegetables and fruit by aiding the plant’s ability to absorb nutrients more efficiently. What it does:Speeds seed germination, root development and shoot outgrowth. Additionally, it increases nutrient value, enhances overall plant vigor and yield.