Why does water smell after being left for a long time? Today, the editor of the Seepage Source Pure Water Machine brings you some knowledge about water. In daily life, you may encounter a phenomenon: we open and drink half of a bottle of mineral water, leave the remaining half in the bottle and cover it. When we open it again the next day, we will find some subtle odors. If we wait for 3-5 days, the odor will become more obvious. When we open it again around 7 days, there will be obvious odors.

Why does a sealed environment produce an unpleasant odor in water?

In fact, the principle in between originates from microorganisms. In still water, due to insufficient oxygen content, anaerobic bacteria can grow and reproduce, producing hydrogen sulfide and other odorous substances in their metabolism.

So after being left for a period of time, when using water that has been left for too long again, we can clearly feel the differences in taste and odor. The editor of the Seepage Source Pure Water Machine reminds everyone not to use water that has been left for too long to avoid health problems.

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