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The Steri-Pen

A quick note to our readers: The President of Hydro-Photon, Inc., Miles Maiden has read our tests of the Steri-Pen and contacted us concerning them. He had a few concerns we felt were best addressed by posting his email in its entirety. So we ask that you please throughly read his email (link included below) before reading our write-up of our results. Thank you, Vin and Gwen.

What is the Steri-Pen?
Why did we conduct our own tests on the Steri-Pen?
Why should you trust our results?
The Results of our tests.
A Reponse to our tests from Miles Maiden, President of Hydro-Photon, Inc.

An image of Cryptosporidium (taken from and an image of Giardia (done by Arturo Gonzalez, CINVESTAV, Mexico)