What does peach blossom water mean?

In the northwest of China, people used to call the Grain Rain River "Peach Blossom Water". It is said that bathing with it can avoid disasters.

Grain Rain, which means more spring rains and hundreds of valleys, is the sixth of the 24 solar terms and an important folk festival-Grain Rain Festival.

Extended data:

In the northwest of China, people used to call the Grain Rain River "Peach Blossom Water". It is said that bathing with it can avoid disasters.

Grain Rain Festival is celebrated with "Peach Blossom Water" bathing, hunting and dancing.

References:

Baidu encyclopedia peach blossom water