depends on the supplier, some supply a tri-mix others just argon/c02Jordi wrote:Think the weld is 93% argon, 5%CO2, and 2% O2, from what.I've read should be ideal for body panels.ScottieJ wrote:That is just c02, you'll get much better welds with an argon mixdazerede wrote:I use pub gas as it is free for me