Keep your aquatic friends healthy and happy with this Aqua Culture Aquarium Bubble Stone. Bubble stones improve water quality and makes aquariums more hospitable for your aquatic friends. Aeration devices play a vital role in maintaining your aquarium by providing oxygen to your fish through hundreds of beautiful tiny bubbles that disperse within the water. Soak the bubble stone in water for at least an hour before turning on the air. Be sure to check out all the other Aqua Culture aquarium accessories to create a unique and playful look to your tank. Your fish will be happy and healthy when you use this Aqua Culture Aquarium Bubble Stone.