I'm making a 10 gal. batch of brown ale. Since i only have 6.5 gal. Carboys i thought i would use 2 types of yeast. Sent my wife to the store to pick up the ingredients since she drives by the store. I wanted American ale and London ale. She came back with American ale and Irish ale. Do you think the Irish will be ok? Also I'm going to use the yeast cake for a barley wine next. Which do you think would be best to use?