Penn-Plax Aqua-Mist Add-A-Stone Air Stone Green/Blue, 2 in x 5.5 in, Small

Add a healthy stream of bubbles to your aquarium with the Penn-Plax Aqua-Mist Add-A-Stone Air Stone in green and blue. This small size measures 2 inches by 5.5 inches, making it an easy fit for tanks where you want gentle aeration without a lot of bulk. It is a sandstone aerator, so it brings a bit of natural texture along with the bubbles your fish appreciate. Simple to drop in and start using, it helps your underwater world feel fresh and alive.

• Adds a healthy stream of bubbles to your aquarium, keeping the water active and the scene lively.
• Built as a sandstone air stone, lending a natural look that suits both planted and decorated tanks.
• Described by the brand as long lasting, so it is made to keep working in your setup.
• Adds beauty to your tank in its green and blue coloring, more accent than equipment.
• The small 2 in x 5.5 in size fits tidily into compact tanks or a corner of a larger one.
• Sandstone air stones can be used in fresh or saltwater aquariums, so it suits a range of setups.
• Multiple stones can be connected together when you want to expand your bubble line later.
• Arrives as a single unit, so it is easy to start with one and build out over time.
• A flexible foundation piece for both new tanks and aquariums you have kept for years.
• Made by Penn-Plax, a longtime source for aquarium aeration and fishkeeping supplies.

Whether you run a freshwater community or a saltwater display, this Add-A-Stone slips in and gets the bubbles flowing. Start with this small stone, then connect more down the line as your tank or your ambitions grow. Pair it with your air pump and tubing, find the right spot, and let the steady rise of bubbles do its quiet work. It is an easy, expandable way to keep your aquarium looking good and your fish in well-aerated water.