Swillologist, I am glad to hear your rhubarb turns out delicious enough to be a "back by popular demand" variety! There's hope for my newbie attempts here yet.
Update on my crabapple rhubarb too - I had transfered to the secondary over the weekend, and yesterday my hydrometer etc arrived. Tonight I checked the SG on the wee jug of crabapple rhubarb - thinking it would still be in the fermenting range because there's still steady bubbles coming out of the airlock, but it was a 0.994. I checked the big jug, and same thing. So, I tasted it too - and rather than the "charmless" of last week, it's tasting like it has some potential to be a nice, dry white-ish wine.
When the bucket gets empty again, I'll be looking to rack this batch - but to add some discipline and try to learn good habits, I'll recheck the sg for a couple days to make sure it's good and stable on that front.
(No new pics - they still look a lot like the photos I posted before)