[caption id="attachment_1518" align="alignright" width="230" caption="Tap Water photo c/o scienceblogs.com"][/caption] Water Storage Myth: Treat your water and then store it. Water Storage Fact: Actually, if you use regular tap water, it’s already treated. There’s no need to add any additional chemicals to it when it’s just going to be sitting in a container. If your water needs treatment, do so at the point of using it, not prior to storing it.