Pro-Mix BX Mycorrhizae (3.8 cf) is a professional-grade peat-based potting mix with mycorrhizae — the growing medium commercial greenhouses use. BX is the general-purpose professional formula suitable for most plants. Mycorrhizae are beneficial fungi that extend root systems, improving nutrient and water uptake. 3.8 cf compressed bale. For serious growers and hobby greenhouses. Available in Galion, OH.
