MSR Guardian Purifier: How to Avoid Cross-Contamination
It’s always important to avoid re-contaminating the water you just treated in the backcountry. These simple steps by product engineer Steve Schwennsen will help you avoid doing so when using your Guardian Purifier. Learn more at https://www.msrgear.com/water-treatme...
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Guardian Purifier Troubleshooting & Maintenance Tips | MSR Field Service
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