【Aquarium Oxygen Stone】These bubble stones can increase oxygen levels, reduce carbon dioxide emissions, an important instrument to successfully keep fish for the breathing process. 【Perfect Aquarium Accessories】The aquarium oxygen stone keeps your fish healthy and adds beauty to your aquarium. The aeration stone can be widely used in a variety of places, from perfect accessories for the aquarium. 【Premium Material】These aquarium stones are made of high quality sandstone, sturdy, durable and long service life, which has no effect on growth of fish. 【High Quality】Good air dispersion and filter, creates bubbles in the aquarium while attached to an air pump, suitable for aquarium, aquarium and the circulation system. 【Be careful】 Please soak the air stone in water for about 30 minutes before ant use.Remember that any air stone will need to be replaced every few months as it becomes clogged with dust, bacteria and algae.
