[Security Material]: The air stone is made of high quality non-toxic inorganic materials, very safe, robust and durable, which can produce uniform bubbles and minute and having a high dissolved oxygen levels. [Supply continuous oxygen]: aquarium bubble stone can continuously supply oxygen to your aquarium effectively and fluide.Si you are an avid aquarium air stone is a must for your aquarium, pond and Your aquarium. Your fish breathe better [Easy to clean].: If the aquarium bubble stones are covered or blocked by algae and dirt, simply clean them with a brush, which is very convenient and can be used for a long time. It is recommended to clean it once a month to play a big role. [Miscellaneous uses] These air stones can be used in aquariums, ponds, aquariums, freshwater aquariums , salt water, hydroponics aquariums or fish farms. The small dense bubbles produced by the air stone can not only provide oxygen for the fish, but also create your beautiful aquarium functionality. Made from
