Size: 1 gallon
Perlite is a volcanic glass that occurs naturally and expands when heated sufficiently. It's one of the most widely used potting amendments in horticulture and adds a lot of aeration to soils while retaining moisture levels.
Perlite is a great addition to most soil mixes. It adds aeration while holding sufficient levels of moisture. Hort grade with no added fertilizers or chemicals. Size: Dry, 1-gallon bag