I sent this link as a PM but thought there may be many readers of this thread that do not understand the physics and applications of aeration. Heck, we all need a refresher course now and then anyway!
The aquarium industry created MANY myths and falsehoods about bubbles and far too many take it as fact....This old thread helps dispell some of the myths and explains a lot of the physics.
http://www.pondboss.com/forums/ubbthreads.php?ubb=showflat&Number=33038#Post33038
