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However, while glass is impermeable to vapors and gases and is a fairly effective material for storing water, we do not recommend using a glass vessel to store water, especially when you are storing it for long-term use, say up to a month

Always double-check unit labels on the vial and confirm your concentration math before drawing

What Is Bacteriostatic Water and How It Is Used

doi: 10.1359/jbmr.2002.17.12.2130

The exact mechanism behind these effects is not well characterized (20)

And the moment you relaxed even slightly, it came back
