Microbe Life Hydroponics Photosynthesis Plus-C, 1 Gallon (California Label)Promotes plant health and reduces input costs while increasing yields! Photosynthetic bacteria will promote photosynthesis in all plants, unlike endo and ecto fungi which only works on specific species. Enhances photosynthesis and biological function by allowing plants to capture and utilize radiant energy more efficiently. What It Is: The culture consortium produced by Ecological Laboratories, Inc. that is used on tens of thousands of acres of crops