100 Pack 1 Inch Air Stone,Aquarium Air Stones, Cylinder Bubble Diffuser Airstone Fish Tank Bubbler Air Pump Accessories for Aquariums Hydroponics Grey (100 Pack) - COOMATEC

• --Tiny but Enduring: Each air stone for aquariums measures 0.6" D x 1" H and weighs 0.3 oz. Tiny but well-constructed for continual bubbling. Washable and reusable. Ideal for small fish tanks or aquariums. --Dense Bubbles: The air stone cylinders produce a good amount of fine and uniform bubbles. A great way to increase oxygen solubility in your aquarium and enliven the aquatic lives. --Reliable Material: Made of mineral material and sintered at a high temperature, it causes no effect to the health of your aquatics. And not much noise. Help keep your fish growing healthily. --Widely applicable: Great for freshwater, saltwater/reef aquariums and hydroponic use. Increase oxygen levels, "blow off" CO2 and raise pH. Can be easily driven by even nano air pumps --Important: Soak the airstone completely in water for 1 hour before use. Clean the fish tank bubbler regularly with a brush as it gets clogged after weeks or months of usage.