The nanonature range of products from oliver knott makes it easy for you to create stunning natural looking aquascapes in nano aquariums this set contains 5 rugged beautiful samurai rocks of different sizes as well as a fine grained naturesoil substrate which forms the basis of a thriving beautiful nano landscape in order to produce an atmospheric scene in your aquarium it is important to choose a rock which has the right shape and colour for the aquascape you want to create each nanonatu