Description 5 Inch (132mm) Heavy Duty Airstone Disc. Aeration is an important part of pond and aquarium care, maintaining oxygen levels and helping fish stock levels. Air stones allow oxygen to get to the roots of the plants to keep a healthy eco system improving water quality and circulation. 5 Inch (132mm) Heavy Duty Airstone Disc is safe for all types of lakes, ponds, fresh water aquariums, salt water or marine fish tanks. 5 Inch (127mm) Diameter Round Dual Standard Nipple 3/16th/ & 5/16th Fine Diffuse of Bubbles Heavy Design Suitable For Ponds and Large Aquariums Aeration stones are called air stones, discs, bubblers or diffusers and come in many shapes, sizes, colors and coarseness levels. Made of porous stone, its main purpose is to gradually diffuse micro air bubbles through your water with the help of a pond pump and tubing. They do not clog and give a better distribution of air with finer bubbles than other types of aeration systems. Spherical and cylindrical shaped airstones are also available in a range of sizes. Sintered airstones are very durable and extremely easy to clean. They are safe for all types of lakes, ponds, fresh water aquariums, salt water or marine fish tanks. Visit PondH2o’s information center to read more on plants & koi in a water garden koi fish pond by clicking HERE. As always, remember to check our Facebook page for coupons and news.
