That's because I used film some of the time. It gives the red beams that sort of saturated tron look.
Argon is look awesome Sta, congrats! Looks like you got a good deal! Be interested in seeing what kind of power it's doing at at 8A and 10A when you get the controller and proper cooling sorted out (If you haven't done the cooling already that is).Here are my two multiline lasers: