I am planning on brewing Jamil's Brewing Classic Style's Wee Heavy (McZainashef's Wee... SG of 1.099, Mash temp of 154, Ferm Temp of 65F), but my LHBS only had one Edinburgh Scotch Ale yeast tube and it's best before date was August 4th, 2012. He just gave me the tube for free, but I also bought...