My first batch of bobas was 18mg. The TH was a little bit much for me, so with this latest batch, I got it at 12mg. I'm finding that the fermented grain - cereal - aspect has been diminished some while the overall vape has become creamier(smoother) and sweeter... much more to my liking. Not sure if it's a function of the lower nic or just a subtle difference from batch to batch, but it's damned near perfect. A fine brew though no matter how you slice it.
P.S. I'm sitting here vaping my first batch ever of BWB RY4. I was a lucky dog to get my hands on a 30ml as there were only 8 left when I placed my order. Right out of the mailbox it's a little 'grassy', but every hit seems to get better and better. Coming off a long session with Nitelite's sweet, spicy Vanilla Strait is probably what's bringing out the more floral aspects of the RY4 in comparison, and why I think it's getting better and better as my palette gets used to it's more subtle nature. A little steeping and I think I can see what all the fuss is about. Mmmmmmmmmmmmmmm.