One of two liquid orchid products from J.R. Peters, Inc., this Jack's Classic 3-9-6 is used to promote enhanced flowering both in color and size of bloom. This product is easy to mix and use and contains not only major and minor elements but also Calcium and Magnesium, which is essential when using rain or relatively pure waters for growing. When used in conjunction with the Jack's Classic Orchid Blossom Booster 7-5-6 it is the perfect system to keep your orchids producing excellent leaves and blooms throughout the year.