activity has been 0 for 10 days or so.
rather sure about the 68C, using a brew monk wich is +-0.5C when I've double checked. We did a reiterated mash, split in 2.
Fermented at 17C,should be fine for S04.
Now it's at about 18-19C.
It was sat in my cellar, so there was shouldn't be any massive...