The coin-operated machine from the principle, similar to a small pure water plant, only due to the small size of the equipment, the quality of water and bottled water slightly different. But this difference, the individual is the body can not be tasted, only with the test out.
The next problem is more. First of all, this is this outdoor open-air water release, the environment will naturally have the presence of bacteria. Second, there are still big questions about whether residents' own buckets of water are clean. Generally speaking, households are not able to completely clean their buckets on their own. What's more, the buckets may not have been cleaned.
But this way of selling water is a good choice for those who live in limited conditions and do not want to call out for barrels of pure water, but also can not install a home water purification machine.