軟なん水すい

noun

soft water

Water with low mineral content, especially calcium and magnesium. Often contrasted with 硬水 (hard water).

See also: 硬水

• 軟なん水すいは石せっけんの泡あわ立だちが良よい。

  Soft water lathers soap well.

• この地ち域いきの水すい道どう水すいは軟なん水すいです。

  The tap water in this area is soft water.