Orchid Phalaenopsis Mix - 8 Quarts & 8 oz. Orchid Plant Food Mist (Orchid Fertilizer) Bundle Pack Phalaenopsis mix - It is a fertile mixture of Canadian chunk peat blended with western fir bark, hardwood charcoal and coarse perlite. It is developed to provide the proper mixture of fertilizer and moisture needed to encourage superior phalaenopsis plant and root growth. Provides your phalaenopsis orchids with the drainage, air flow, and root ventilation they find and thrive on in nature. It should be used when re-potting your orchid, at least every 12-18 months or as needed to support healthy growth Miracle-Gro Orchid Plant Food Mist - Instantly provides nutrients and moisture for beautiful orchids Apply to roots and growing media once a week. In addition to regular watering, spray leaves, roots, and growing media once per week, taking care to avoid flowers. Mist feeds instantly.