Vermiculite Additive for Compost -10 Ltr
£9.99
By Vitax
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. Vermiculite can help promote faster, healthier plant growth and also possesses ?cation exchange? properties enabling it to hold and make available to growing plants ammonium, potassium, calcium and magnesium.