Hi,

I'm learning more about bluing myself so I need to clarify what you want to do. Are you looking to start tank blueing, acid bluing, quick bluing or salt bluing??

We send acid bluing out and send tank bluing out too (although the shop used to do it until the accountant complained about the smells)

We do salt bluing (nitre salt) and it isn't difficult although splashing yourself with 300 degree salts is bad for your nerves. This bluing generally makes a more cobalt blue color (based on slat temperature). We also use a quick blue process. Also called Belgiumicon bluing. This is an acid blue process, but doesn't leave the part to rust over night. We buy the Belgium blue liquid from Brownells. You boil water and put the part in for a minute or two. Take it out and swab on the compound. Back into the water for a bit, then out and fine brush the surface. Then repeat until you get the color you want. This gives a darker blue then the nitre blue. But it doesn't wear as well as the tank blue and certainly not as well as the slow acid blue.

So which blueing process are you considering?