This Horticultural Potting Gritcomes from the Royal Horticultural Society and is ideal for mixing with composts, ponds and aquatic planting. This sand is completely lime free and can be added to alpines and rock gardens This item will be delivered with care and will need someone to supervise its arrival, due to its weight. Royal Horticultural Society endorsed Lime free washed fine grade Ideal for mixing with composts for seed sowing & root cuttings Good for improving the drainage of heavy soils Perfect for ponds and aquatic planting