Washed And Graded Coarse Granular S Horticultural Potting Grit - Bulk Bag 750 kg

This potting grit is ideal for adding to composts for root cuttings and propagating cuttings, greenhouse benches, breaking up clay soils . Adding Horticultural Grit to your compost prevents the soil from sticking together allowing excess water to freely drain away. Mix one part loam to one part Horticultural Grit and one part leafmould or coir is an ideal planting mix for a rock garden. Covering sewn seeds with a fine spinkling of grit will prevent them from drying out as they germinate. Products made up of natural materials will vary in size and colour, some significantly.