Trying all grain shooting for a chocolate wheat stout 5 # barley malted, 4# wheat malted, 1# chocolate barley, hops 1 oz german magnum aa 13.5 1 oz. Fuggles, and safbrew-33, and 1# corn sugar. How should I mash and sparge using 1 three gallon cooler, 1 5 gallon pot 1 20 liter enamaled pot, I do havr other larger coolers too but only one of those had a drain plug. Also. An I thriw in brown rice to prevent stuck sparge?