Anyone else make any batches that won't ferment? I've been making syrups for beers for many years and some times they won't ferment. I do fermentation tests on each batch to make sure all is good before using any in my beers. I'd be interested to know if anyone has had similar experiences.
I followed the instructions on this thread and made three batches of this syrup. The first I added to a dubbel that I made which, resulted in a moderately high final gravity (1.016). The second batch was very bitter which I think may be due to heating too quickly. The third batch tastes...