Hygger Invisible Aquarium Air Stone - 45mm CO2 Equipment and biological media are included

and biological media are included for complete aquarium filtration

and included mechanical

They do not usually bother other types of invertebrates such as crustaceans

Pump: ROCK SP3

The slim light body and adjustable neck make it easy to aim light over a small display

Hygger Invisible Aquarium Air Stone - 45mm CO2 Equipment and biological media are includedHygger Invisible Aquarium Air Stone 45mm The Hygger Invisible Aquarium Air Stone 45mm is a compact aeration kit designed to add steady bubble movement while staying visually subtle inside the aquarium. Its clear acrylic body and low profile 45mm air disk make it a good choice for smaller freshwater, saltwater, reef, hydroponic, or aquaculture setups where clean presentation matters. Hygger 45mm Invisible Air Stone Overview This 45mm air stone uses a