The formula for buying the best air pump for a bubble wall in an aquarium depends on what type and size of bubble wall or aeration feature you're going for. Air pumpsfor use as an aesthetically pleasing bubble wall, air stone or other oxygenation and aeration feature come in many forms:single, twin, high-powered twin, and even larger models.
For instance, if you want to add just a simple, small air stone (a "stone" made from ceramic, glass, or wood which takes the air and submits it back out into the tank in the form of bubbles) to your tank, a single air pump should work just fine. If you're interested in running an extra-long bubble wall, or would like to supply additional air stones, then its best if you look into purchasing a twin or high-powered twin air pump. Lastly, if you really want to go big with the project, the best air pump for a bubble wall in an aquarium that you're intending on going large-scale with, such as with multiple bubble wall features by means of several valves added on to your air pump, then you'll most definitely need to use a high-powered twin or larger air pump.
Bubble walls in aquariums are not only pretty additions to your aquatic landscape, but they also provide a healthier atmosphere for your fish as well, by providing extra oxygenation and aeration, important elements to guaranteeing a safe and healthy aquarium environment. Bubble walls which are powered by a particularly strong air pump will also provide excellent air exchange, especially in tanks with fitted hoods, which often have high levels of stagnant air and low oxygen-making for dangerous conditions for your fish.
However, be aware that if you're looking to bubble walls and air stones to help solve your oxygenation and aeration conditions, then finding how to buy the best air pump for a bubble wall in an aquarium may not be your most pressing issue. Some experts say that a bubble wall or air stone isn't nearly enough to promote healthy oxygenation, aeration, and water exchange; the only way in which to really promote healthy air and gas levels is to invest in a power head, water pump, or protein skimmer, each of which are forms of aquarium equipment that will help your aquarium most efficiently exchange air and gas at the tank's surface.
At any rate, whether your purposes for buying a bubble wall or air stone is for aesthetic appeal or for contributing to your tank's aeration and oxygenation, once you're looking at purchasing a single, twin, or even much larger air pump model, what it all comes down to is this: The model that makes the best air pump for a bubble wall in an aquarium is, ultimately, entirely up to you, limited only by your budget and your imagination.
