Large Air Stone, Air Stone Hydroponics, 4 x 2 Inch Large Air Stone Cylinder Bubble Diffuser for Aquarium, Fish Tank, Pond and Hydroponics Air Pump, Growing System, Circulation - color: 6-Pack

About this item

• -Stable in Water: Each aerator stone measures 2" D x 4" H and weighs 0.66 lbs. It can easily sink to the bottom and stand stably in your tank for steady bubbles.
• -Fits for 3/ 16 inch standard airline tubing.
• -Recommended a high-output air pump at least 10W or a commercial air pump.If you feel that there are fewer bubbles, you can try using a high-power air pump, which will have a good effect
• -Reliable Material: Made from washable silicon carbide. The material is sturdy , it causes no effect on the health of your aquatics. Help keep fish or roots growing healthily.（ Soak the aerator stones completely in water for 2 hours before use; Clean it regularly with a brush as they get clogged after weeks or months of usage）.
• -Widely Applicable: Fit for hydroponic systems, koi ponds, aquariums or fish tanks, and other systems, helping extend the life of your nutrient solution, keep fish/ roots healthy and promote plant growth.