Marina Air Stone – Round – 3 cm (1.2 in)
The Marina air stone is ideal for adding accents in any aquarium. The air stone diffuses air, creating water movement. It also increases surface agitation, accelerates oxygen replenishment, and helps release carbon dioxide build-up.
Simply connect the air stone to your airline tubing and place it in the desired location. Round shape. 1 pack.
| Size | 3 cm (1.2 in) diameter |
|---|---|
| Other sizes available | A964 – Marina Air Stone, spherical, 2.2 cm (0.8 in) diameter |
FAQ
How does the air stone improve water conditions in an aquarium?
The air stone diffuses air into the water, creating water movement. This increases surface agitation, helps oxygen replenish, and aids in releasing carbon dioxide build-up.
Can this air stone be used with any aquarium setup?
Yes, it is compatible with most aquariums when connected to airline tubing and placed in the desired location.
Is the air stone durable and long-lasting?
Please contact customer service

Sebastian Greene –
The air stone works well in my 10-gallon tank. It creates gentle bubbles and keeps the water moving, which helps with oxygen levels. Easy to install and fits nicely in the corner of the tank.
David Miller –
I used it with my filter setup and noticed the water surface is more active. The bubbles are consistent and the stone doesn’t clog easily. Good value for the size.
Harry Ross –
It’s a simple addition to my aquarium. The round shape looks nice and the airflow is steady. I’ve had it for two months and it’s still performing well.