the perfect medium for use in potting mixes, and in situations where its light weight and water holding characteristics are valued such as seed raising and hanging baskets.

It is a clean, sterile, naturally occurring, non-toxic aluminium iron silicate mineral that has been superheated to a high temperature to produce a lightweight material with a high surface area, ideal for propagation.

• 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.