Walrus Speedster

I moved to Oxy ace years ago, although I only use it for braze ons now as we are fully tig (ig I never file another fillet I would be a happy man). The issue with ace is that no one will just refill a bottle, you need a contract, so you're hooked into monthly rental. For me it's not an issue as it's a work expense and pales into insignificance compared to argon bill nowadays, but for hobbyists it's a bit off putting. A better and cheaper and less explosive way of doing it is Oxy propane. You can "buy" your own bottle of oxygen from various places, and then swap it out when it runs out, and propane you can get from all over the place. You need different regulators and larger tips, but it's fine for most brazing that you'd want to do, and no monthly charges.