Are air stone bubbles a sufficient source of oxygen? Just how efficient are those little bubbles that come out of air stones, or diffusers? Many aquarists believe they play an important role in an aquarium when it comes to oxygenation and aeration of the water, and that this air source is adequate. Not always so! Low DO (Dissolved Oxygen) levels in your tank water can cause a myriad of subtle problems. Fortunately, it isn't hard to increase your DO with little to no money.
More: Top Air Pump Picks Compare prices on aquarium air pumps your Guides consider to be some of the best choices on the market.
More: How To Use Powerheads for Water Circulation Increase the dissolved Oxygen in your aquarium with the use of a powerhead.