You need to dilute the alcohol? You do not know how to calculate the proportions of water and alcohol? Use the Alco calculator to determine the required amount of water. The program has a few calculations. Simply enter the fortress of the starting alcohol in a percentage (e.g., 98), the amount of the starting alcohol and the desired strength of alcohol to be obtained in total (for example, 40 - this corresponds to the strength of vodka, or 70, this corresponds to fort an alcohol-containing solu