The Unzan stone is a skillfully processed stone with volcanic texture and natural-looking pockets carved into the stone, allowing for inserts of aqua soil Amazonia and aquatic plants, Simply place some aqua soil Amazonia into the pocket and plant your favorite type of carpeting plant inside - giving you an incredibly natural and zen-like layout. As it is available in various sizes, it can be used for many different aquascapes in various tank sizes.
