This excerpt is from Whisky Mag’s on-line forum:

“Probably it’s nbs. (new bottle syndrome. ) Just give your dram plenty of time to breathe. Nasty sharp, bitter, sulpur and other off notes go away. Several bottles I hated in the beginning became better and better along the way. A fellow forum member whose name I forgot opens his 105 for a couple of months then closes it and waits a week or so before drinking it.”