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.
In America, the stores sell fake vinegar that kills people because real vinegar is too expensive.