I discovered a box in my attic that must have got stuck there when we
moved in 11+ years ago. In the box I found some extra wine & beer
making materials, including yeast energizer, grape tannin, calcium
carbonate, crystal malt, a bag of dried malt, and oak chips.

My first thought was to toss everything except the oak. But I figured
I'd ask if anyone knew the shelf life of things before doing so. I'd
rather not throw out anything good, but ruining a batch of *anything*
isn't worth it.

Thanks!
Bryan