Thinking about changing air pump

[munchie]

Hi, i was wondering what would be a good strong air pump and quiet for my 240 gallon tank?
im currently using Ecoplus Commercial Air 1 right now and thinking about switching to a stronger one. i want one that produce lots of bubbles like the one in king of diy's arowana tank

 

[nzafi]

You should figure out how many liters per minute you need and that will tell you what kid of air pump you want. Alita has some great ones, and then there is also jehmco. Go with a linear air pump if you can but they are more expensive that diaphragm.

 

[duanes]

Why not use a water pump and attach venturi tube to the outlet?
This will move lots of water, plus aerate.