Tag Archives: Water Pasteurization indicator

An Inexpensive Way To Pasteurize Your Water

I have often felt after talking with people that water purification is a major weakness that many of us share.  In my family, we have the capability to treat large amounts of water.  We have several good quality gravity filters and numerous smaller units.

But with all of that, I still have an ace in the hole.  The WAPI that stands for Water Pasteurization Indicator

This new method of water purification using solar ovens and the sun has been developed by Dr. Bob Metcalf, a professor in microbiology at California State University at Sacramento.

Water Pasteurization Indicator (WAPI) is a simple thermometer that indicates when water has reached pasteurization temperature and is safe to consume. …

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