Free delivery on this product Removes stubborn green and dark layers of dirt, as well as plant stains caused by trees or flowers, from flagstones, paviors, walls, paths etc. All-natural and cast concrete surfaces become clean and bright. Removes stubborn green and dark deposits For natural stone, flagstones, paviors, walls, paths etc Fast-acting and highly effective Approx coverage per L – 15m2 Share on Pinterest Share on WhatsApp