【KEEP SUPPLYING OXYGEN】Aquarium bubble stone can keep supplying oxygen efficiently and smoothly to your fish tank. If you are an aquatic animal lover, air stone is a must for your fish tank , your pond and your aquarium. your fish breathe better 【SUPERIOR MATERIALS】 Air bubble stone is made of high quality sand and plastic. Strong, durable, non-toxic and harmless. It has a long lifespan. The blue air stone is very easy to clean, just brush the surface, it can be reused for a long time 【STURDY and DURABLE】Due to being shaped under high temperatures, it is durable, very breathable and has excellent filtration performance 【PAY ATTENTION】Please soak the air stone in water for about 30 minutes before use.Remember that any air stone will need to be replaced every few months as it is clogged with dust, bacteria and algae 【WIDE APPLICATION】 Ideal for freshwater and saltwater. Can be used to transport oxygen to fish and other living things, in fish tank, pond, fish tank, hydroponic farm, water
