hygger Aquarium Air Stone 2 Inch 2 Pack, Fish Tank Bubbler Stone, Air Bubble Aerator Oxygen Diffuser, Air Pump Accessories for Aquariums, Fish Tanks, Hydroponics and Ponds 2-Piece 2 Inch

[Complete Accessories] The air stone measures 2" Dx 0.79" H. Fits standard airline tubing with inner diameter of 3/16". Recommended air pump power: ≥ 3 watts (air pump not included). The set includes 2x air stone, 1x 2m air hose, 2x check valve, 2x tee, 2x suction cup, and 1 user manual. If you have any questions about the product, please contact us and we will be happy to assist you. [Instructions] Soak the air stone completely in water for 1 hour before use. After placing the air stone in the aquarium, repeatedly disconnect and reconnect the air pump several times to fully aerate the air holes and produce a large number of bubbles. We recommend cleaning the stone regularly to prevent clogging. Just soak it in the water, brush its surface mildly and dry it naturally in a cool and ventilated place. [Reliable Material] Made of high-quality corundum material and sintered at a high temperature. It is corrosion-resistant, and has a long service life. The ABS shell effectively prevents the air stone from wear and tear. The copper chrome-plated anti-rust air inlet that is durable and suitable for both freshwater and saltwater aquariums. The durable and sturdy material is safe to your fish, and heavy enough to stay submerged at the bottom of the tank without floating. [Produces Fine Dense Bubbles Quietly] Our aquarium air stone features a unique nano micropores structure, that divides the airflow from the air pump into countless tiny bubbles. These bubbles continuously burst, releasing active oxygen into the water and aerating your water reservoirs. The ultra-fine bubbles last longer in water, increasing oxygen levels with minimal surface disturbance and noise. [hygger Aquarium Air Stone] This air stone has evenly distributed air holes, anti-clogging, and low noise, can produce a large, mist-like ultra-fine bubbles. Great to add oxygen to your aquarium, pond, and hydroponics growing system, increase oxygen levels. It is a great way to enliven the aquatic lives.