20381RG High-Porosity Mycorrhizae, Blond/Light Brown, 3.8 cu-ft

With its high perlite content, Pro-Mix HP provides a great growing environment to growers looking for a significant drainage capacity, increased air porosity and lower water retention. The added benefit of fibrous peat moss and coarse perlite makes this formulation ideal for growers who require a great-quality product adapted to their needs for watering flexibility and crop seasonality.