Liquid Orchid Plant Food 7-5-6 can be used on all orchid varieties to promote vigorous vegetative growth and prolific blooming. Used to promote excellent leaf growth. Easy to mix and use and contains not only major and minor elements but also calcium and magnesium, which is essential when using rain water, reverse osmosis water, and relatively pure waters for growing. When used in conjunction with the Jack’s Classic Orchid Blossom Booster 3-9-6, it is the perfect system to keep your orchids producing excellent leaves and blooms throughout the year. 8 oz. bottle.