Sinclair Pro Medium Vermiculite 2.0-5.0mm 100L

Medium vermiculite for mixing into compost to increase nutrient and water retention.

Sinclair Vermiculite Medium is a natural, non-toxic addition to compost mix for improving aeration and drainage. Horticultural vermiculite has cation exchange properties; it helps hold nutrients in soil and stabilises the structure. Medium vermiculite can also provide insulation to seedlings in the nursery.