Originally Posted by Doug Fattic

Yes I get it direct from Gasflux. I just ordered some more for one of my European students. I prefer Type G silver flux over type U for my students too. Its active range is up to 1700º instead of U's 1600º. Getting a joint too hot and running out of flux is a common rookie mistake. I also get my 56% silver from them too. Of course I have had an account with them since the late 70's. I don't know how difficult it is to order direct from them.