This is because when the bean sprouts germinate, the bean sprouts themselves will emit some heat. If you don't change the water often, the temperature will get higher and higher, the oxygen will be reduced, and the bean sprouts will rot, turn black, or even rot completely. Therefore, change the water every day to reduce the excessive temperature and let the bean sprouts grow well.

Bean sprouts are made of mung beans or soybeans with water. People call it bean sprouts, but it is actually the root of beans. Soybeans and mung beans are the seeds of plants, and the seeds must have suitable temperature, sufficient oxygen and moisture, which are indispensable.

Extended data:

Precautions:

1. mung bean sprouts need to be kept in a dark environment during germination. Bean sprouts are washed with clean water several times every 4 hours, and the water temperature is about 23℃. The washing time can be appropriately extended when sleeping at night, once before going to bed and once in the morning.

2. During the period of raw bean sprouts, keep the curing temperature at 23-25℃, and the green bean sprouts will come out in almost 2-3 days, and the bottle mouth will be full in 4-5 days.

3, raw bean sprouts, are easy to ensure clean and pollution-free, can be disinfected with boiling water again and again. In the process of germination, bean sprouts must be kept in an environment without a trace of light. Don't put bean sprouts in a place with a large oil smoke.

Baidu Encyclopedia-Shuifa Bean Sprouts

Baidu encyclopedia-bean sprouts