Sun Bulb 5019 Better-Gro Orchid Bark, 8 Quarts Orchid bark It is a wonderfully media of specially sized growers grade choice western fir bark It is a quality potting mixture for all epiphytic orchids as well as a variety of ornamentals, such as bromeliads Ideal for potting, re-potting, spot refilling, or as the base for a custom mixture Find detailed step-by-step instructions and photography, outlining the critical points necessary to successfully re-pot your orchid