So, I finally saved the funds to buy my own blasting setup (I already have parkerizing stuff). After spending the entire afternoon assembling the harbor freight blast cabinet and this
(It's the central pneumatic 21 gal 2.5 hp 125 psi model)
air compressor, something went wrong. I can only get a quick burst of pressure before its totally gone. I am using 3/8" 30 foot hose, and I had the pressure regulator all the way open, but it does not seem to be releasing the advertised 125 psi.