Vermiculite - Coarse 4CF

OMRI Listed for Organic Use.  Horticultural-grade Vermiculite has become a mainstay as a component of soilless growing mediums, as a soil amendment, and in many other horticultural uses. 4 cubic foot bag. Vermiculite has the excellent property of improving soil aeration while retaining the moisture and nutrients plants need. 6 - 9 pH in water.  The particle size and absence of fines make this product ideal for soil mixtures.  Brown bag