Reviewed by Alex Greenwood, UK Review Expert (Update: October 2021)

#1 Choice: Overall Rating = 95%

The best choice right now in October 2021 is…

Editor's Pick
EVAQ8 Oasis 167mg Emergency Water Purification Tablets 500 Tablets - Treats 10,000 Litres
120 Reviews
EVAQ8 Oasis 167mg Emergency Water Purification Tablets 500 Tablets - Treats 10,000 Litres
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    #2: Best Alternative

    Also Good
    6 Packs X OASIS WATER PURIFICATION TABLETS (300 total) 17mg Essential Travel Item
    43 Reviews
    6 Packs X OASIS WATER PURIFICATION TABLETS (300 total) 17mg Essential Travel Item
      View on Amazon UK

      #3: Another Worthy Contender

      SaleWorth Considering
      Oasis 118378 NADCC water purification tablet, 8.5 mg, 100-count
      2,324 Reviews
      Oasis 118378 NADCC water purification tablet, 8.5 mg, 100-count
        View on Amazon UK

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        BEST WATER PURIFICATION TABLETS: IN-DEPTH 2021 BUYING GUIDE

        Full buying guide on finding the best water purification tablets is coming soon. Please stay tuned!

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