Exquisite stone-shaped design: the round surface and flat bottom make the stone stable, matte, delicate and smooth. Increase the oxygen content: the air volume is large and the air outlet uniform. It is an ideal way to add oxygen to your hydroponic, circulation, pond, aquarium and aquarium system and reduce CO2 levels. Durable Material: The aquarium air stone disc is made of sturdy and durable stoneware and stainless steel, and can be cleaned repeatedly for a long time. KEEP FISH HEALTHY AND ACTIVE: Air stone is burnt at high temperature and with good air permeability. It is safe, washable and durable. The non-toxic material keeps the fish healthy and active. Disc Air Stone, ideal for freshwater, saltwater aquariums, hydroponics or water farms, aquaculture, creates amazingly beautiful scenes underwater. The air bubble stone has the following characteristics: Super strong and durable. Weighs enough to sink into the ground without suction cups. ❥ Dissolve more oxygen in the water.
