Druu;2492281; said:How long before you can tell? You should be able to tell now if you're not blind. Not meant too sarcastically, but a kok is growth that you should be able to notice. I've found that looking at mine every day (I also have a FH fry), it's tough to see the difference. It might help to snap a pic of him each week and do a comparison based on that. How big is yours? It's tough to tell from the avatar pic.