<i><b>The Neptonion Air Stone manufactured with Alumina Ceramics, the smooth nano ceramic surface provides very tiny bubbles for oxygen-rich envirement of fish tank. </b> </p ></i><b>Features</b><ul><li>Works silently,creates amounts of tiny and smooth bubbles without any noise.<br><li>Very easy to clean. <br><li>White color and disc shape which is eaiser to blend into the surrounding scenery, looks decent and clean.</p></ul><b>Tipps:</b><ul><li>You could choose the bubbles' size as you need by adjust the regular valve.<li>We suggest you to clean the air stone once a month for preventing the algae clogging pores on your air stone.<li>Please soak the tubing into the water for 5 minutes if the tubing is clogged.</ul><b>👰What you should have : </b><ul> <li>An air pump.( Generally, you’ll <b>need to buy</b> one that’s 2W to 4W cause <b>the Air pump and tubing and not included.</b> ) <li> A few feet of flexible airline tubing </p > ⭐First,Attach one end of the flexible hose to the pump outlet (It acts as a bleed valve). Leave about 6 inches of length and splice in the regular valve.</p > ⭐Then, move down the tubing about 3 inches and splice in the one way valve. This will prevent the water from backing up into the tube if there’s ever a power cut. </ul> <b>How to Clean Aquarium Air Stone?</b><ul> 1. Boil the airstone in clean water for 15 minute.</p > 2. Immerse the airstone in a solution of 1 part of bleach (30ml) to 9 parts clean water (270ml) for 2-3 hours. Dip the airstone for another 12 hours and clean the surface with stiff brush if the air stone was completely clogged. </p>3.Set them on a towel or paper towels near sunny windows for 2-3 hours(please do not wipe) until they're completely dry, then you can drop it to the aquarium. </p></ul><b>Warranty</b><br>Neptonion Air Stone has 12 Months 100% moneyback warranty, if there is any problem with our product, please feel free to contact us, we will be happy to help.