Brunnings Vermiculite is the perfectÂ 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,Â sterile, naturally occurring, non-toxic aluminium iron silicate mineral that has been super heated to a high temperature to produce a lightweight material with a high surface area, ideal for propagation.
- Ideal for aerating potting mix, garden soilÂ and hydroponic mediums.
- Helps moisture retention in sandy soilsÂ and aeration of clay soils.
- Ideal for growing fine seeds.
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