http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=9915&N=2004+113779 i am planning to get one of this diffuser would it work for a 5gal? what are the pro and cons?please give me some info abt them thanks!

WyldFya;968158; said:That actually can damage the impeller/shaft, it is better to place it in front of the return of pumps.