Been a while since a brew has done anything like this to me, but it appears i've got a stuck fermenter.
Put down a big bad stout the other weekend, 1.8kg can of goop, 1.2kg dark LME, 500g MDEX, 250g LDME, 200g lactose, 250g choc malt for the sticky stuff - OG came to 1.076.
Temp had dropped to...