Vitax Vermiculite 10 Litres Highly absorbent lightweight compost additive Can be used on its own or mixed 50/50 with compost Used for pricking out or potting on Improves the overall weight of larger pots and containers by improving water retention. A natural mineral which has been heated to a high temperature, Vermiculite comprises of lightweight, highly absorbent flakes. By adding Vermiculite to growing media it will improve aeration and increase retention of moisture and nutrients.
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