The 100g Sodium Metabisulphite from Youngs ensures the fermentation of your homebrewed beer, wine or cider goes quickly and smoothly alongside the yeast nutrient from Youngs. This will keep your yeast healthy and alive during fermentation and will allow your brew to ferment more rapidly, meaning less time to wait to try your first sip! Sodium Metabisulphite Features Youngs Sodium Metabisulphite 100grm/4068 Helps keep Youngs yeast healthy 8cm x 6cm x 6cm Quick and smooth fermentation process Youngs\' Ref. MPN: 4068Colour: N/ASizes: 100gPM Ref: 328181