I've had a bad experience with too high a dose of bb-25, but nothing like you described, ie convulsions, etc; i just had to crash out in a dark room for a few hours, though I'm sure it would have felt scarier if I hadn't had any benzos at hand.
Cheers for the info, Toz- I'd never heard of ab-piinaca myself. The only ones available to me are akb48, bb25, pb25 (and the 5 f versions), and ab -fubinaca, and I missed out on the whole JWH generation. My akb48 looks quite different from my other noids; it kind of looks like hundreds of little crystals, and looks like less than one gram in weight, although it checks out on the micro scales. I've heard that the latest generation of noids are more powerful than the JWH range...any truth to that?
thenightwatch, I'll be using you're ratios as a guide. The one I was planning to use would be ridiculously weak, so I'm making a medium strength one, using 2 grams of noid to 50 grams of marshmallow. (1 gram bb-25, one gram akb48) The only thing I'm not sure of is how to add my flavourings; do I add it to the acetone "bath", or apply it to the herb after the acetone has evaporated?
I've no idea how that smiley got in there; can't get rid of the thing...