SteriPEN Traveler Water Purifier Review

SteriPEN Traveler Water Purifier How it works: Stir the pen in 1 litre of water for 90 seconds.

A helpful tool to keep your drinking water clean and healthy and you backpacking light.


  • Effective against bacteria, viruses and protozoa
  • Very small and lightweight (making it ideal for hikers, travellers, campers).
  • Takes only 90 seconds to purify 1 litre of water (faster than some methods).
  • Requires almost no maintenance and is easy to use
  • Does not add funny odors or taste to water
  • Can save you from lugging around liters of water from the beginning of your trip/hike
  • If traveling in countries where it is recommended you buy bottled water, save money with the Traveller
  • Doubles as an emergency flashlight/torch

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SteriPEN Traveler Water Purifier1Cons

  • Does not filter water, may require the use of a coffee filter or cloth to remove debris from water (may not be a problem, depending on your water source)
  • Does not purify water well in the presence of sediment (it is not designed to). Again may not be a problem, depending on your water source/where you are traveling
  • Takes 90 seconds to purify 1 litre of water (slower than some methods)
  • Will not remove any funny taste or odor from water
  • Due to the size of this SteriPEN you will need to carry a water container that is large enough for you to stick the pen in to (and to undertake a little stirring).
  • Requires batteries


  • Destroys more than 99.9 percent of harmful bacteria, viruses and protozoa
  • Weighs: 156 grams (5.5 ounces)
  • Measures: 19.3 cm in length (7.6 inches)
  • Effective for up to 3,000 treatments
  • Minimum Bottle Diameter: 20mm (0.8 inches)


Tips On How To Use

  • You should consider taking some water-purification tablets as a backup purification option, in case this device fails. The tablets are very small, lightweight and cheap – so should not hinder your travels.
  • If you are taking this device into the wilderness for an extended period, you should take along an extra pair of batteries
  • PLEASE NOTE: This device does not filter chemicals, salt, heavy metals.

Product In Use (photos)

 SteriPEN Traveler Water Purifier3

SteriPEN Traveler Water Purifier5

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