.9 SAR The price is tax inclusive Volcanic crushed stone produced in factories of Al-Madinah Al-Munawwarah Bag weight is one and a half kilograms Bag capacity is 3 liters The stone size is approximately the size of an olive, about one centimeter It is used at the bottom of planters to prevent clogging of water drainage holes And it is used in hydroponic agriculture And is mixed with soil And contains nutrients for plants And helps in retaining nutrients and water