Got the VK yesterday and used the vanilla carto. It was perfect. Great, consistent throat hit. Today, I put on the cappuccino carto. Good throat hit for the first few hits, then very sporadic after that. After trying for about an hour, I gave up, thinking I might have a bad carto. Just popped on the coffee. SAME THING!! Now what the heck am I doing wrong here? The only differences I can see between the vanilla and these other two is that when I hold them all up to the light, I can see a clear path through the hole of the vanilla, but it's not quite so clear through the other two. I'm a bit doubtful that I could have two bad cartos, so I can only assume that the problem is with me. Any tips? Thanks! 