I have a Scat Blaster Cabinet (see link)

http://rides.webshots.com/photo/2316270570054402330qPrAFH

All I've ever used is the glass from Harbor Freight, I tried the course Grit (for heavy Rust) and it just tore up a nozzle in about 15 minutes of use. I also have a bag of Walnut shells for etching glass.

About once a year I usually change out the media.

Last edited by V-6 Fix Modelman; 03/14/2011 3:16 AM.
1960 GMC 305A V-6 Gallery Page
Remember, the government cannot give --anything to anyone --that they have not first taken away from someone else.
BUY AMERICAN http://www.stillmadeinusa.com/index.html