Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Oct 18, 2007
Killing water-born pathogens with iodine is discussed in this free video series.
Expert: Daniel Schieffelin Bio: Daniel Schieffelin has a degree in Outdoor Education and Leadership from Sterling College in Vermont. He has worked outdoors in several stations. Filmmaker: Christian Munoz-Donoso