Grade K and up. The River Tank requires very little maintenance due to its ecologically balanced design. Its continuously flowing water provides an oxygen-rich environment for aquatic organisms, whose waste products provide nutrients for terrestrial plants. Molded plant pockets hold the plants in place and also make an ideal home for newts, lizards, and frogs.
River Tank Complete Ecosystems are shipped with an Ecosystem Mold already mounted inside an aquarium and include a submersible pump, fully adjustable hood light, filter cartridge, and instructions.
River Tank Ecosystems do not include plants, animals, or gravel. See the River Tank Plant Set (161541), River Tank Animal Set (161545), and River Tank Accessory Set (161549).
These items only ship motor freight and cannot be expedited to 2nd day air or overnight delivery.