Regardless of the season, the temperature remains stable throughout the year at an average low of 9°C.

As a result of the decomposition of organic matter by bacteria, etc., the number of bacteria is low, and the water is clean because there is almost no contact with pollutants such as industrial wastewater.

It contains a rich and well-balanced variety of minerals, from major minerals to trace minerals.

In the deep sea, where there is insufficient light, photosynthesis by seaweed and phytoplankton hardly takes place, so nutrients such as nitrogen, phosphorus, and silicon remain in abundance.

Seawater cooled in the Antarctic and Arctic oceans sinks into the depths and circulates around the Earth for about 2,000 years. It is said that deep ocean water matures under high water pressure over that long period of time.