[TheForge] MIG Welders

[Todd Rich]

On Tue, 22 May 2007, Mark A. Pesetsky wrote:

> Sorry I wasn't as clear as I should have been...It is early..
>
> I have installed the kit and I am at the point of which gas to buy for
> the best weld possible and basic instruction on using the gas addition
> for the first time...
>
> Thanks
> Mark
>
In that case, if you aren't needing maximum penetration, I would go with 
the 75%/25% mix.  However if you want deeper penetration and a hotter 
weld, go with straight CO2.  There are a few other hotter mixes, but those 
are the common cheap options.