For market gardeners and commercial farmers to kick start the growing season. This is a powerful growth hormone that is naturally occuring. Promotes vigorous growth, helps your crops grow larger and reach maturity earlier. One jar contains 160 gms of concentrated water soluble ProGibb. Must be used according to instructions included. 1/8 to 1 1/2 jars for 1 acre. Applied as a spray when diluted. This product will store for many years.