The only problem I had was in my bottles. I had to toss a few because I couldn't get them visibly clean after spending a year in the bottle.
My process for cloning a beer
1. Put on lab coat.
2. Drink beer and take notes.
3. Repeat Step 2 until I have a recipe or pass out.
On deck: Barleywine, Dampfbier, Belgain Golden Ale, Hazelnut Sweet Stout, IRA, Rye-weizen, Wit, Uinta Hazel Clone, Uinta Yard Sale Clone.