Regularly change the water before i

Regularly change the water before it gets murky. Observe the change of the sprouted onion bulb after a week.

Results (Chinese) 1:

定期换水它变得明朗之前。观察发芽葱泡一周后的变化。

Results (Chinese) 2:

在水变黑之前，要定期更换水。观察一周后发芽洋葱球的改变。

Results (Chinese) 3:

在水变浑浊之前定期换一次水。一周后观察洋葱芽的变化。