Supreme Coarse Horticultural for Potting Soil, Seed Starting, Propagation, Or…
Is a 100% natural, heat-expanded siliceous volcanic rock. is, sterile, ultra-lightweight, non-toxic, permanent, incombustible, asbestos-free, and virtually pH-neutral.
Is a 100% natural, heat-expanded siliceous volcanic rock. is, sterile, ultra-lightweight, non-toxic, permanent, incombustible, asbestos-free, and virtually pH-neutral.
