Sure, just like lacto-fermenting foods to preserve them. However stored water could always be boiled? I have always thought it was funny that the most obvious "

Sure, just like lacto-fermenting foods to preserve them. However stored water could always be boiled? I have always thought it was funny that the most obvious "health benefit" of tea-drinking was boiling water to prepare it (yes, I realize not all teas are brewed so hot, and there are plenty of interesting compounds in there, but still...)