Water - the most simple and at the same time the most complex liquid on the planet. The transparent liquid, odorless and tasteless, is hidden an arsenal of useful features, without which can not survive any organism.
As with any food product, water has a shelf life. We, consumers rarely think about it. How to store water that would keep longer its useful properties? To do this, you need to know the quality of the water, as well as, in some containers, and under what circumstances it can be useful as long as possible for a person.
High-quality water have to be clean, free from chlorine and other impurities in Kiev. Regarding packaging, the consumer is offered several options. Containers made of plastic, glass, clay, or other metal, depending on the water.
In most cases the storage of drinking water using plastic or metal containers specially treated. A small amount of water, amount of 25 to 50 liters may be stored in conventional plastic bottles with lids. Storage temperature should not exceed 25 C. Containers with water should also be protected from direct sunlight. If you use a water purchase, at the term of its storage capacity must be specified, and subject to all the rules, the water retains its properties during the specified period.
It is not recommended to store drinking water in containers made of melamine. They look very attractive and seem to be strong, but in fact is able to excrete melamine in water pollutants. Studies have shown that this water greatly harms the body, and even the ability to cause cancer.
If your house is in a lot of water is consumed, then you can order it via special delivery service. In any case, we must remember that long-term storage of water reduces its quality. The shelf life of the water in the glass is from 3 to 2 years old, in a plastic container - from 3 months to 1 year. Mineral water and various sodas have a small shelf life.
The safest materials for water storage are polyethylene and polyethylene terephthalate, abbreviated to PE and PET. But the most dangerous - BPA (bisphenol A), causing disruptions to the endocrine system and PVC (polyvinyl chloride), releasing harmful toxins. Re-use of such containers is strictly prohibited.
Polycarbonate bottles, volume 19-25 liters retain the beneficial properties of water for 12 months. Their material is absolutely safe for humans, even with repeated use. But in polycarbonate containers can be stored only water and nothing else, since the material strongly absorbs odors.