PROMIX HP Mycorrhizae 79L 2.8 cu.ft. *IN STORES ONLY* fox farm Using RapidStart® stimulates prolific root including coco Using RapidStart® stimulates prolific root branching and development of fine root hairs that increase nutrient uptake and grow healthier Alongside the benefits of enriched coloration provided by Purpinator comes an increase in the production of essential oils and secondary metabolites thanks to the incorporation of technology pioneered by its predecessor With its high perlite content The added benefit of fibrous peat moss and coarse perlite makes this formulation ideal for growers who require a superior quality product adapted to their needs for watering flexibility and crop seasonality