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/diy/ - Do It Yourself

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>> No.2013545 [View]
File: 45 KB, 500x500, steripen-water-purifier-3.jpg [View same] [iqdb] [saucenao] [google]
2013545

>>2010641
Buy one of those UV lights for water bottles and toss it in there like a grenade. Go by the estimated max on time for a single charge for when to open it again.

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