A fine grade and regularly used by growers to lighten and aerate composts. Used extensivley in all carrot and parsnip mixes. Also particularly useful for covering seeds and taking cuttings. Granule size is 1mm to 3mm. Water holding capacity is 419ml of water per litre of Vermiculite. Can be mixed up to 50% by volume of Vermiculite with the growing media.
Price £4.50 per 6 litre bag.