Biorb Replacement Airstone
The air stone, located at the base of the aquarium, breaks up the
flow of air into the aquarium into a mass of bubbles.
After a time the air stone can become blocked by calcification,
especially in hard water areas, reducing the flow of air into
Replacing the air stone every few months will keep your aquarium
bubbling away nicely.
In some hard water areas it may be necessary to replace the
airstone more frequently, but once every 6 months should be
sufficient for most owners.
Replacing the airstone is extremely easy. The airstone is
location in the center of the aquarium under the filter
cartridge, simply remove the filter cartridge and you will be
able to locate the airstone. A replacement airstone can simply
be pushed into place.
Each biOrb Air Stone accessory pack includes one replacement