This video is Part 2 in a series on Backcountry Water Treatment. It is recommended that you start at the beginning, as each video builds upon concepts introduced previously.
Backcountry Water Treatment, Part 1: Boiling vs. Pasteurization
In this video, you’ll find information on:
The three major classes of chemical disinfectants made for backcountry use
With Pros and Cons for each method
Including disinfection strengths, limits, and side effects
The principles of dose vs. time and log reduction rates
Relative weight efficiency and price
Strategies for use in the field
Including how to combine methods for even greater effectiveness.
Index:
00:23 Introduction
01:49 Chemical Drinking Water Disinfection
03:11 Iodine
10:56 Chlorine
16:16 CT Values
19:44 Natural Variations in pH
21:13 Chlorine side effects and byproducts
26:53 Field Chlorine Tablets
29:08 Chlorine Dioxide
33:19 Commercial Chlorine Dioxide Options
39:54 How to Evaluate Products Skeptically
43:41 Treatment Times
46:56 Combining Methods
48:02 Weights and Price
49:52 Practical Field-Use Scenarios
Guide to CT Disinfection Made Simple
https://www.water-research.net/Waterlibrary/CT_LookupTable/21%20CTMadeSimple.pdf
W.H.O. Report on Chlorine Dioxide, Chlorite and Chlorate
https://www.who.int/water_sanitation_health/water-quality/guidelines/chemicals/chlorine-dioxide-chlorite-chlorate-background-jan17.pdf
