Quote Originally Posted by dbosman
Two types of Luft pumps. One REALLY good quality vibrator pump with rheostat that will last years and years. The other, in several sizes is a linear piston that puts out a lot of air at very reasonable prices.

Here is a pro-am model for $39.93

The older and apparently discontinued Coralife Super Luft 35 used to be about $45. The current model I'd suggest for you is this one;

Save $5. here

This one will do a couple of racks of the size you're planning.

If there is a local hydroponics store, they may have one of the above at similar pricing.

Thanks dbosman. Very informative post. Actually I was checking out those coralife pumps and they are available locally.