Some of the best moments of Breaking Bad are the extended meth-cooking montages, and along the way we learn some chemistry facts while Walt and his partner Jesse do their jobs. The P2P method of making meth is a real thing , and to do it, you need a chemical reducing agent. In the show, it's mercury-aluminum, because it was the easiest to pronounce . Unfortunately, the iconic blue color of the meth on the show is artistic license. Warning: Do not make meth.