Brunnings Vermiculite is the perfect medium for use in potting mixes, seed raising and hanging baskets where its light weight and water holding characteristics are valued. It is a clean, sterile, naturally occurring, non-toxic, aluminium iron silicate mineral thathas been super heated to a high temperature to produce a lightweight material with a high surface area, ideal for propagation.
Key features:
Ideal for aerating potting mix, garden soil and hydroponic mediums.
Helps moisture retention in sandy soils and aeration of clay soils.
Ideal for growing fine seeds.