White color will be shown on the indicator strip. In the absence of oxygen, it turns from blue to colorless.
In the absence of oxygen, it produces anaerobic conditions in the jar as time passes. After approximately one hour, it starts producing anaerobic conditions in the jar.
And moisture starts developing in the jar and also indicator strip starts to change its color. The color of the indicator strip is from blue to colorless means white color.
When the color turns colorless then it is proof that the jar was able to strongly reach an anaerobic state.
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