5″ Round Air Stone – Aquarium, Hydroponics & Fish Tank

5" Round Air Stone – Aquarium, Hydroponics & Fish Tank  Airstones are used to oxygenate liquids, common uses in your grow room are to pump oxygen into your nutrient tanks or for oxygenating your grow system.A very important addition to your grow room set up. Small and discreet.High quality air diffuser that helps to increase the oxygen content of all nutrient solutions. Simply attach to an Air Pump with a Silicon Airline (sold separately). Recommended for all systems!NotesPlease note: HAILEA Round Polo Ceramic Airstones float. To prevent this weigh them down with clay pebbles in the bottom of your tank.