Starfish Air Stone
Starfish air stones are something a bit different for aerating your aquarium. They are inspired by the five armed starfish found on coral reefs. While also being decorative this air stone can increase oxygen levels in your aquarium water.
These air stones easily join onto aqaurium airline for attachment to a pump. The blue starfish air stone shown in the large photograph measures 8 cm in diameter. It has enough weight to help keep the air stone submerged while bubbling.