Vitax Vermiculite Compost Additive 20L A highly absorbant compost additive that comprises of lightweight, highly absorbant flakes. Key Information: Improves aeration, water & nutrient retention Can be used on its own or 50/50 with compost Vermiculite can help promote faster, healthier plant growth It possesses ‘cation exchange’ properties enabling it to hold and make available to growing plants ammonium, potassium, calcium and magnesium When added to compost and other growing media, will ensure the applied nutrients are available to the plant’s root system Advice & Tips: Always wear gloves when handling contents Wash hands after use Re-seal bag after use Store in a frost free area Store & use away from other garden chemicals such as weedkillers & pesticides to avoid contamination