Today, the existence of such a product is known only from photographs on the Internet and canned food offered for sale on various trading platforms in the same place. But in the Soviet Union, even fewer people knew about this water. In fact, these were only its potential consumers, who, by the way, could never try it. We are talking about the servicemen of the Soviet Navy and civilian sailors.
The point is that the canned water was part of their emergency supply in case a ship or submarine were in distress in the open ocean. Indeed, without water, a person is able to live much less than without food, and in conditions of extreme situation in the midst of a stratum of exclusively salty water to look for other sources of fresh water practically did not seem possible. The only exception could be rain, but this is, in fact, a lottery.
The product itself, which is part of the sailor's dry ration, was a tin can with a volume of 240 grams. The shelf life of canned water was 24 months. It was produced in several versions, and on some of them the manufacturer placed detailed instructions in case of a disaster:
“Save canned water. Collect and drink rainwater, fill all the containers at your disposal with it: use canned water as a last resort. "
In addition, there were instructions for using the water itself. For example, it was prescribed not to open the canned food completely, but to make two punctures in the lid with a can opener and thus use it.
There is practically no information left about the exact production technology of these non-trivial canned food. However, it is known for certain that not any liquid was rolled into banks: so, according to the Novate.ru editorial office, for an emergency supply of sailors and submariners used only spring water, which was first carefully boiled, and then enriched with vitamins - in this case, ascorbic acid.
This method of storing water among the inviolable supply of seafarers is practically unique, after all, only two superpowers - the United States of America and the Soviet Union used canned food. True, if the latter preferred conservation for decades, in the West it was rather a transitional stage to other types of containers during the Cold War.
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Today, other storage options are already used for these purposes. For example, water is packed aseptically in special laminated foil bags. Its shelf life has also increased - up to five years. And although you won't see such a product on store shelves these days either, the average consumer has no restrictions on ordering it on the Internet.
In addition to the topic: useful life hacks in order to quickly "negotiate" with sealed tin containers - 5 tricky tricks on how to open a tin can without a can opener
A source: https://novate.ru/blogs/090221/57776/
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