which air pump is strong enough???

[maos]

i have a 5 inch bubble disk and im just wondering if anyone knows of a quiet powerful enough air pump. plus i maybe thinking of getting a 9 inch bubble disk so any suggestions on two dif air pumps would be good!

thanks,

 

[BigC]

See my reply to a similar topic some time ago. It may not be relevant in your situation but it gives even the smallest airpump more output.
http/www.fishforums.net/index.php?showtopic=102246