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If you guys want to use it!

Thanks @papa-pepper! We will definitely use it. And your instincts on the water purification tables was correct. Here's a source: https://www.amazon.com/Taharmayim-Israeli-Water-Purification-Tablets/dp/B0077TB65U

and here's the verifying text:

One tablet purifies a whole liter of dirty stream/river/lake/well/pond water in just 30 minutes. May also be used to clean fruits and vegetables or disinfect wounds in emergencies

Wow! Nice work my friend!