Biorb Service Kit Depending on the size of

Depending on the size of the wood and aquarium volume

stained or green with algae

In most natural aquatic habitats fallen trees

suitable for all dogs and cats (supervise pet for first few times until sure they will not chew mat)

Biorb Service Kit Depending on the size ofProduct Description The filter cartridge in your biOrb should be changed every 4 8 weeks*. A new cartridge is supplied in the Service Kit as well as a special cleaning pad for removing dirt and algae from the inside surface of the biOrb and water preparation chemicals for carrying out a partial water change. The kit also contains easy to follow step by step instructions. Most aquariums have filters with several compartments containing different types