I have 2 zombie dirt "1 gallon" batch kits. I plan on brewing them together as I have a brewdemon fermenter. The normal 2 gallon batch kits say to use 1/2 of the full size 11g yeast pack. The 1 gallon yeast packs are half that size. So, Is it safe to assume I would only use "one" of these small batch yeast packs in this case? Thanks in advance.