GEOsystem Driftwood is cast from real wood to guarantee a natural life-like appearance. It is a great decorative addition to any aquarium or terrarium and is ideal for attaching live plants such as Java Fern or Anubias. Manufactured from a safe inert material it will not affect the water chemistry or clarity. GEOsystem Driftwood will not float but it is lightweight to minimize possible damage to aquarium glass. The GEOsystem Driftwood Features and Benefits:. - Use in aquariums or terrariums. - Lightweight. - Will not affect water chemistry. - Natural and life-like.