A horticultural grade grit, Washed & Lime Free. Nominal 2 - 6mm Coarse Grit is a multi-functional product for many gardens uses. It's lime free, washed and is of horticultural standard. An essential ingredient in improving the structure and drainage of even the heaviest, clay-based soils, it will open up the soil by creating small pockets for water to drain through. Used in potting compost mixes and planters it will also provide a decorative top dressing for succulents, alpines, cacti and rock plants Easy to work with, Coarse Grit improves the overall texture and structure of soil enabling the best growing environment for plants, shrubs and crops. It can also add weight to pots and planters to ensure they remain stable or can be used for pond and aquatic planting. Supplied as a 20kg, ready to use bag.