This is something I noticed over time as I've been using (and loving) my Silver Surfer, with different strains. I really like the way it works, and I use a GG heater along with (obv) a GG whip. So anyway, usually I can take a small amount of ground up herb and it'll last 10 minutes, usually on about 1/2 temp. However, I recently got some meds (Grape Ape in particular) and I don't usually even use meds (from time to time, I live in a non-medical state, but don't ask lol) but I noticed that instead of the usual clouds of vapor I get, this has been giving me tiny, tiny bits of vapor with each hit, and after spending an entire 20 minutes on my SSV, I get no relief, feel just a little bit, much less than I would with one of my other strains. Sure enough, I put a different strain in, this time LA Confidential (named after one of my favorite movies, lol), and it was the usual amazing SSV-ape for 10 minutes, hit after hit, clouds of vapor. The one thing I can say is that the herb that I usually vape with the SSV is a bit dry and it tends to grow very dense, perhaps making it easier to vaporize? I just dont understand why the Grape Ape won't really vaporize. I tried smoking it, and it really is some amazing stuff. I looked this up on google, but all I could find were threads about people not liking the taste of certain strains vaped, but not BEING UNABLE TO ACTUALLY VAPE THEM. This has happened before, once I got a strain and I thought something was up with my SSV, but again, the second I changed the herb, it worked perfectly. Usually the herb that doesn't work is less dense, perhaps more wet? I actually don't see a logical reason why this Grape Ape wouldn't vaporize as well as the other strains... anyone ever have this problem? And most importantly, what can I do to fix this? Maybe drying out the Grape Ape some more will make it easier to vape? It works just fine in a pipe, with very strong, almost immediate effects (both medical and recreational) when smoked, but just about nothing after even 20 minutes of vaping. What gives? I would like to add that for everything, I use the same grinder and make sure they're equally ground up. I probably even ground the Ape up more because I've been trying to figure out what I'm doing wrong... For the record, I know it got vacuum sealed at some point, but I doubt this has anything to do with it. I'm sure most of the stuff I get gets vacuum sealed at some point. Just throwing it out there.