I wouldn't get a 100% helium tank. I would get mixed tanks from the store only. But that may present a bit of a problem for you. Not all tank sizes are available in special mixes. Something to inquire about from your LWS. Most LWS will change cylinders (provided they are of a size that does not req...

I was on the phone with one of the local gas companies yesterday and explained that I would be moving soon and I didn't think a lease/rental would work out well. He said I should just buy a set of cylinders. I asked about refills - not exchanges - and he said it wasn't a problem. I'll pick up two 60...

I had an aluminum project this fall that would have been a "breeze" if it was welded. I first tried brazing and that did not end well. The brazed joints looked great, a real thing of beauty. However, it was too time consuming with MAP gas and the joints didn't hold up. I finished the proje...