Kit contains all additives required to make red/ white grape, fruit, cider and sparkling wines. Suitable for 100lt of must/ 10 boxes of grapes. Day 1 - Potassium Metabisulphite - to reduce oxidation, kills wild yeast and bacteria in fruit. Day 2 - Yeast - suitable for improving ferments Day 3 - Yeast Nutrient - used for improving fermentation and reducing stuck and sluggish fermentation. This unique fermentation aid contains inactive yeast wall cells, nitrogen, vitamins and trace elements. TANNISOL - for use at racking of wine. Used to help clear & preserve the wine. contains 1 x tablet for 100lt of wine. 250g of pure Potassium Metabisulphite to sterilise all machinery and tools coming into contact with wine and must.