Coarse Grade Perlite - 4 Cubic Foot Bag

This product ships to the contiguous USA only. This product does not ship to PO Boxes.

Natural coarse (large) sized perlite. 4 cubic foot bag. Our perlite is large sized (coarse grade) and is free of any additives or chemicals. Perlite is most frequently used to keep mushroom chambers hydrated at a high humidity.