Horticultural Vermiculite - 8 Dry Quarts : 2 Gallons

When processed in special furnaces, the mineral ex-foliates (or expands) in the the accordion-like layered particles familiar to many as a part of soil less growing mixes. The processed product is sterile, permanent, odorless and non-toxic. It has the highly desirable characteristic of being lightweight and the capability of moisture and nutrient retention. Medium particle size. 8 Dry Quarts.