The fermentation procedure continues within the can – 'souring' as being the Swedes check with it – and brings about a bulging tin of fermented herring. Or rotten fish, as some (improperly) would say. Irrespective of whether you're keen on it or hate it, Swedish surströmming is undoubtedly really unforgettable. https://surstrmming80135.boyblogguide.com/28329020/fascination-about-surströmming