Another very well known example of the use of micro-organisms is the production of alcohol by yeast fermentation. Our Alcohol Fermentation Kit looks at fermentation in detail comparing the Anaerobic and Aerobic processes, and monitoring both the cell mass (biomass) changes and volume of alcohol produced. It also includes setting up an immobilised cell system for comparative purposes. The kit includes:. Calcium Chloride. Yest Extract Powder. Sodium Metabisulfite. Sodium Alginate. Dried Active Yeast. Wine Yeast Compound. Polythene Container. Foam bung. Plain bag. Clear plastic tubing. Miniature 3-way Luer Tap. Plastic syringe. Triple Scale Hydrometer. Full instructions. The following additional materials or equipment are required:. Glucose. Aquarium pump. Magnetic stirrer (ideally two). Colorimeter. 6-7cm length of glass tubing (to fit into PVC tube provided). Cotton wool.