So an INFI res-c rodent solution is partially correct? Hmmmm... one of those three things likely is incorrect. Maybe it's not a solution, maybe it's a previous SY model that has INFI instead of SR77.

However, Dan said that "beer" was at the heart of the riddle, so maybe it's not referring to Johnnie Walker Blue, which may mean it's not INFI. The beer, say Coors, could mean a higher hardness since it their comercials always talk about brewing with water from the Rockies. Possibly a res-c solution in SR-101 with a higher RC like the Scrapivores have been?

I hope Dan posts soon what it is.