Increase the oxygen content in water: the small and dense bubbles produced by the bubble stone can double the dissolved oxygen in the water, supply more oxygen to fish and reduce the CO2 of hydroponics and system circulatory system in the aquarium, the water content of the tank and the fish pond. High-quality materials: The aquarium air stone is made of high-quality mineral sand and is sintered at high temperature. It is safe, strong and durable and can produce even and fine foam. Quantity- 8 pieces of air stone are included. We recommend immersing the aquarium in air bubbles for approximately 30 minutes before use. For best results, it is recommended to replace it every 3 months. Suitable for most air pumps-4cm air stone bubble in this aquarium are 2L/min which is more suitable for pumps aerator with a power of 2w-4w. A large number of bubbles makes the aquarium more abundant. Wide range of applications: these bubble aerator can be used in aquariums, ponds, aquariums, aquariums
