Another question if you kind apes don't mind; after mixing this stuff up, let's say it's steeped suitably and tastes fine after a couple of weeks, how long is it OK to keep in the bottle before it goes off? Assuming a dark cupboard somewhere at room temperature and that once opened it's vaped within a week. My goal is to make batches that should last at least two or three months at a time and I don't really want the last of a batch to taste too different to the start of the next batch (if that makes sense).