Brand new at this and tried my first time melting aluminum cans and did not get any slag off. My big question is what is the proportionate propane gas to oxygen to properly melt aluminum and such it sounded like a jet airplane when I turn the gas in oxygen on it and got very hot it did melt my aluminum cans even though I got no slack off did I not wait long enough for it to melt or it a non slag removal that I screwed up on. I have a 40 lb propane tank to go with this item can anyone tell me the appropriate propane to oxygen make sure I need to do to properly and quickly melt aluminum copper Etc
