TL;DR: Vinegar is being sold at concentrations unsafe for preservation without proper warnings, 4% vinegar is unsafe while 5% is safe to can and pickle with.
TL;DR: Vinegar is being sold at concentrations unsafe for preservation without proper warnings, 4% vinegar is unsafe while 5% is safe to can and pickle with.
What's next, selling "80% white flour" that's 20% sawdust?