Black Lava Rock per kgSold per kgThis rough and irregular rock looks great in all types of aquariums and its dark black colouring is quite unique and very popular. The Volcanic Black has a course surface finish and is light in weight.Volcanic Rocks / Black Rocks are popularly used for aquariums, ponds, and aquascaping. They have coves and crevices making it perfect for your pet fish to swim through and around. They are also used to complement bonsai designs and create beautiful homes for plants.
