Oase BiOrb Service Kit x 3 plus Water Optimiser 46021

A biOrb Aquarium does not require much care. However, to continuously ensure the optimal water quality, the filter - depending on fish stock - should be changed every 4 to 8 weeks. This is quite simple: Unscrew the old cartridge on the air column, replace the old filter cartridge with a new filter cartridge and then screw it back into the fixture. This pack includes three complete service kits 3x filter cartridge (sealed) 3x cleaning cloth 3x water treatment sachets Instructions Plus a 100ml bottle of Water Optimiser - suitable for all biOrb aquariums