Cork Bark has long been loved by the reptile-keeping hobby for many years! Cork Bark is a great choice for BioActive enclosures due to its rot-resistant and lightweight nature. Cork Bark is commonly found in two different forms: Cork Bark tubes and Flats. Both types are equally popular amongst keepers Cork Bark Tubes Vs Flats Cork bark tubes are the hollowed-out branches from the cork bark tree. They are commonly used in arboreal enclosures to mimic tree branches. Here at Bio