The Campden Tablets from Youngs is used at the end of fermentation to prevent oxidation and bacterial contamination during bottling and syphoning. Can also be used as a sterilising solution. Used as a preservative or for sterilising ingredients before use. These handy tablets will greatly inhabit your fermentation process. Youngs Campden Tablets Features Youngs Campden 50 Tablets To remove Chlorine / TCP taste or smells, before making your Beer or Wine it is recommended to use half a tablet per 5 gallons / 25 litre For stronger odours use one full tablet. Crushing / Stirring the tablet is recommended and leave the water to stand for 24 hours in a sealed vessel Used as a preservative or for steralising ingredients Youngs\' Ref. MPN: 4033Colour: ClearSizes: One SizePM Ref: 844187