Once you feel a sharp drop in flavor and the vapor becomes harsh, your weed is finished. Once the herb has been fully vaporized, it starts to lose that sweet scent. If the vaporized bud is brown, brittle and very brittle, then it is ready and it is not efficient to continue vaping. If you still see areas that are green, and nothing too dark brown or black, you can definitely vape it more and get more out of it.
One of the easiest ways to use AVB herb is to make toast with a generous layer of peanut butter, jam, or Nutella. Just sprinkle your ABV herb on top and enjoy. Or if you don't mind a bit of a challenge, you can make yourself a space cake using avb butter. Depending on the temperature at which you vape grass, your bud can end up anywhere from a slightly green color to a darker brown.
Ideally, it should be on the greener side or a lighter shade of brown for these recipes. AVB normally contains less THC than fresh yolk, but the vaporizer will prepare it to make edibles through a process known as decarboxylation. Furna can even vaporize cannabis concentrates using a specialized oven, a big improvement over the cumbersome concentrate inserts used by other portable vaporizers. Convection vaporizers tend to vaporize cannabis more evenly, so the ABV is more likely to be the same color.