Exquisite stone-shaped design: round surface and flat bottom make the stone surface stable and matte, delicate and smooth. Oxygen increase: large volume of air and even air output, an ideal way to add oxygen and reduce CO2 levels in your hydroponics, circulation, pond system, aquarium and aquarium. Durable material: the d The aquarium aeration is made of strong and durable sandstone and stainless steel material, can be cleaned repeatedly and can be used for a long time. Keeps the fish healthy and active : the air stone has been fired at high temperature, good air permeability, it is safe, washable and durable, non-toxic material keeps fish healthy and active. The stone disc air pump ideal for freshwater, saltwater, hydroponic aquariums or in water farms, hydroponics, creates beautiful scenes breathtaking underwater views. An air stone whose purpose is to gradually release air into the tank and give fish oxygen for breathing is a must in your home if you are an aquatic animal lover. b>
