2 x Aquarium Air Stone, 41.5 cm Bubble Aquarium Stone

Aquarium Air Diffuser The interior is made of non-toxic sand and gravel and the outer shell is made of environmentally friendly plastic, so very sturdy, not easy to damage, has no peculiar smell, is non-toxic and environmentally friendly and is very safe. You can use it with confidence. You can get: 2 fish tank foamers, green plastic bowl, the inner sand is blue, very beautiful and beautiful, very well suited for aquarium interior decoration. Its size is 41.6 cm, 2 pieces are used together and suitable for most large and small aquariums. Oxygen Supply: Aquarium bubbles dissolve evenly in water to increase oxygen. It is used to increase the oxygen content in the aquarium. At night, when plants cannot photosynthesize to produce oxygen, it provides your aquarium with suitable oxygen for healthy plant growth. Make your fish more fun Reusable: long-term use may cause slight blockage, resulting in fewer air bubbles. Don't worry, the use is very simple, you just need to remove it and wash it with clean water to clean the dirt from the gravel due to algae and impurities. Then you can continue to use it. Wide application: aquarium oxygen diffuser, can be used in aquariums, fish tanks, ponds, hydroponics, fish markets, freshwater or saltwater aquariums, etc