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