What Are Aquarium Air Stones? (And Should You Use Them)
An air stone is something that diffuses air that is being pumped into your aquarium through an air pump. They are small and often blue or black in color and come in all shapes and sizes. And for such a little piece of equipment, there sure is a lot of misleading information on them floating around.
So if you’re serious about understanding what these devices are and why they are the one piece of equipment that should be in every tank, even if you just have a planted tank, then read on as I will be revealing some seriously important facts and killing a few fishy myths about air stones.