Pump

The Air Stone Oxygen Diffuser is a round air stone made from fine porous material that provides excellent air diffusion. Crafted from special hardened golden iron sand, it undergoes high-temperature firing , making it highly resistant to ozone and corrosion . This air stone helps increase oxygen levels , reduce CO2, and raise pH in your aquarium , while also creating beneficial water circulation .
Increases oxygen , reduces CO2, and balances pH in the aquarium
Durable material that is reusable and washable multiple times
Produces fine air bubbles in the aquarium when connected to an air pump (air pump and hose not included)
Suitable for both freshwater and saltwater aquariums
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