to report back: it appears that the missing ingredient is patience. :ghostly:
I do think that temperature might have been at the top end of this yeast's range as it seems to slow activity as the day warms up and increases if it is around 73F.
It's a slow perk now.
I have had a traditional mead batch get stuck way too early twice now using Wyeast Sweet Mead yeast. The first time I just followed the directions and pitched it straight from the package. Once it stalled I used some D47 yeast starter to kick it off again and that worked. This time, I used an...