So I finished a blond ale the other day and was looking at my clean yeast cake and remembered that I had 4 gallons of apple juice in the garage. Being in a lazy mood, I decided to just go ahead and add the juice to the cake. I put in 1 gallon and swirled it well. Then added the others. With 1/2 gallon left I added 1 lb of honey and shook the bottle up like made (like I do with my Apfelwein). Lid on, airlock in, quite happy with how fast it all turned out. 48hrs later, no activity. The yeast cake was good as the beer had slowed to 1 bubble per minute when I racked it to the keg. Any ideas?