Aqua One River Sand encourages beneficial bacteria which is essential to maintain a healthy environment in your aquarium.   Australian sourced and locally packaged, River Sand is an excellent choice for replicating a beautiful natural underwater environment.   Features and Benefits Aquarium safe, inert substrate that does not dynamically change pH River Sand encourages beneficial bacteria which is essential to maintain a healthy environment in your aquarium Waste collects on top of the sand, which makes cleaning quick and easy Promotes natural digging behaviour of certain species Sourced and packaged within Australia Allows you to replicate a natural environment