OK, did a search and found a similar topic. From the discussion it appeared that a hydrometer reading wouldn't necessarily be a firm indicator of conversion, but a refractometer reading probably is. I think, lol
I'm a bit concerned about this dark mild, but I guess time will tell.
So many recipes...
Fermenter: Bee Cave Rye IPA
Bottles: Surly Bender (American brown), Wee Heavy, Rare Vos (Belgian Amber)