It is impossible to prepare a solution from half or third part of the package with large volume of work. The fact is that the dry mixture consists of different dry substances that are mixed in one package designed for a certain portion and the right amount of water for the preparation of a high -quality solution. When dividing the packaging into parts, you can not calculate the amount of powder and water and a solution with different characteristics will be obtained, which, when processing this area, will give different quality.