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A diffuser’s design has a significant affect on aeration and is just as important of a choice as is the aerator size. Every square inch of the diffuser’s surface area will experience PSI. The greater the surface area, the more resistance the

CFM details listed on a pump are what it produces without resistance. It’s a good measuring tool when making pump comparisons and is relative to aerating a pond. CFM though, needs to be tied to HP and the ability of the pump to maintain a level of CF

Choosing an aeration system is a challenging task. So many versions of a system are available with large variations in price and claims. They are all designed, in general terms, with the same big picture items: a pump, airline, and a diffuser. I r