The 60g Super Wine Yeast Compound from Youngs contains Bentonite, wine yeast, yeast nutrient, vitamins and minerals which is a specially formulated recipe. This handy homebrewing tool can be used to make high-quality wines, speedy fermentation and clearing which makes this very versatile. Super Wine Yeast Compound Features Youngs Super Wine Yeast Compound 60g (Up to 10 Gal)/4294 Contains bentonite, wine yeast, yeast nutrient, vitamins and minerals Used to make high-quality wine Speedy fermentation Helps with clearing Youngs\' Ref. MPN: 4294Colour: N/ASizes: 60gPM Ref: 511776