>>511463522this is a method for combining the two ingredients needed to make chlorine dioxide (ClO2) - the ingredients (1- diluted sodium chlorite and 2- diluted muriatic acid) are combined in the shotglass- the fumes created are effused into the water that surrounds the shotglass.
a simpler method used by many is to just mix a few drops of each ingredient, and then mix that with water.
you should read about chlorine dioxide - it is good for you and can help everyone. there is a reason why it is a highly highly censored topic