biOrb Aquarium Air Stone Replacement, 3-Pack for Classic, Tube, Flow, Halo and Life

biOrb Air Stone Replacement is a three-pack of replacement aquarium air stones designed to keep air flowing through biOrb aquariums as fine bubbles.

• Fits biOrb Classic, Tube, Flow, Halo and Life aquariums — choose a replacement for these biOrb ranges.
• Breaks incoming air into a mass of fine bubbles — supports even air distribution in the aquarium.
• Three replacement air stones per pack — keep spares available for routine changes.
• Designed to be changed every few months — helps maintain bubbling as mineral buildup affects flow.
• Once every six months is sufficient for most owners — a practical general replacement interval.

An air stone helps keep an aquarium bubbling by breaking the air flow into smaller bubbles. Over time, calcification can block the stone and reduce the air entering the aquarium, particularly in areas with hard water. Replacing the stone during routine filter changes helps keep the aquarium’s air flow going and supports the water’s oxygen balance.

What does the biOrb replacement air stone do?

It breaks the air flow into a mass of bubbles at the bottom of the aquarium. This creates the bubbling action and helps distribute air consistently through the water. Maintaining air flow also helps support oxygen levels for fish.

• Located at the bottom of the aquarium when in use.
• Designed to produce fine bubbles from the incoming air.

Which biOrb aquariums is it compatible with?

The replacement air stone is suitable for biOrb Classic, Tube, Flow, Halo and Life aquariums. The compatibility covers these named biOrb ranges, making the three-pack suitable for owners of those models who need to replace an air stone.

• Compatible ranges: Classic, Tube, Flow, Halo and Life.
• Three replacement stones are included in the pack.

How often should I replace the air stone?

Replace it every few months as part of routine aquarium maintenance; for most owners, once every six months should be sufficient. Water hardness affects how quickly calcification builds up, so hard-water conditions may call for more frequent changes.

• Change the air stone during routine filter changes.
• Watch for calcification that blocks the stone and reduces air flow.

This replacement pack suits biOrb Classic, Tube, Flow, Halo and Life aquarium owners maintaining the bubbling and air flow in their aquarium. It is a compact maintenance component, intended to replace an air stone rather than serve as a complete aquarium filter. The three-pack offers replacement stones for ongoing upkeep, with the interval adjusted to suit the water conditions. Its fit across five biOrb aquarium ranges and its role in turning incoming air into bubbles make it a straightforward part of routine care.