Vermiculite Advantage
Inorganic, inert and sterile

Non abrasive

Ultra light weight

Free from disease, weeds and insects

Slightly alkaline (neutralized with peat)

High cation-exchange (or buffering exchange)

Excellent aeration characteristics

High water holding capacity

Insulating

Vermiculite Uses:

Horticulture, grow media, potting soil mix etc.
Animal Feedstuffs
Bitumen Coated Vermiculite Screeds
Chemically Processed Vermiculite
Fire Protection
Friction Linings
Horticulture
Insulation in Steelworks and Foundries
Lightweight Concretes
Loft Insulation
Packing Materials
Processed Vermiculite
Refractory Products
Silicate Bonded Shapes and Blocks
Vermiculite Plaster


Vermiculite is most frequently used in conjunction with perlite as the two complement each other well. Vermiculite retains moisture (about 200% - 300% by weight), and perlite doesn't so you can balance your growing medium so that it retains water and nutrients well but still supplies the roots with plenty of oxygen. A 50/50 mix of vermiculite and perlite is a very popular medium for drip type hydroponic systems as well as ebb and flow systems. Vermiculite is inexpensive