Potable Aqua

Potable Aqua Iodine Water Treatment Tablets

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Potable Aqua iodine tablets safely treats giardia and other waterborne pathogens. An alternative to larger water purifiers. Small bottle is easy to pack in your backpack, daypack or luggage.  Bottle contains 50 tablets and should last you your entire trip.

Potable Aqua Iodine Water Treatment Tablets Features:

  • 50 tablets
  • Tablets 20mg tetraglycine hydroperiodide
  • Style #40018

One small 2" bottle contains 50 water purification germicidal tablets of 20mg tetraglycine hydroperiodide. Provides safe drinking water when used with proper filtration. Shelf life of unopened bottle is 5 years; but only 6 months after bottle is opened. Note: Iodine does not definitely kill cryptosporidium unless you combine treatment with proper filtration. Not Recommended for people with sensitivity or allergy to iodine.

Whether camping, canoeing, hunting, or engaging in any sort of outdoor activity, it pays to be mindful of your water supply. A bottle of Potable Aqua® tablets takes up very little space, weigh less than a pound, and when used correctly will protect you from a host of parasites, viruses and bacteria.

Be conscious of where you are. If you are traveling to a place where indoor plumbing is not widely available, or where monsoons, floods or inadequate water treatment may leave water supplies exposed to pathogens, proceed with caution. Potable Aqua® Drinking Water Germicidal Tablets, when used correctly, can render water safe for drinking.

The most trusted name in water purification products, Potable Aqua® is used by various militaries and relief organizations around the world. Potable Aqua products provide time-tested, simple-to-use water treatment options for campers, backpackers and other outdoor enthusiasts.

Potable Aqua Drinking Water Travel Videos


What is Potable Aqua?

Potable Aqua® Drinking Water Germicidal Tablets make water bacteriologically suitable for drinking. They contain iodine in a proprietary compound called TGHP. Each tablet contains 20 milligrams of TGHP, which liberates 8 milligrams (ppm) of titratable iodine. As indicated by label directions, the recommended dosage of Potable Aqua is two tablets in one liter or quart of water. When the tablet dissolves in water, it releases both free iodine and hypoiodous acid. Both are effective germicidal compounds. Potable Aqua tablets also contain a buffering agent that brings the pH of the water to a slightly acidic level to optimize the disinfecting properties of the iodine.

How Does Potable Aqua Work?

Each Potable Aqua tablet contains 20 milligrams of TGHP, which liberates 8 milligrams (ppm) of titratable iodine. Dissolving Potable Aqua tablets in water releases the iodine bound in the TGHP molecule. When dissolved, both diatomic iodine (I2) and HIO are released. Because the tablets contain a buffer, the treated water is maintained at acidic conditions with an approximate pH level of 5.5. Diatomic iodine is more abundant than hypoiodous acid.

This mixture provides adequate disinfection of most waters. Chemical reaction rates, and consequently germicidal effects, are subject to variables such as water temperature and level of contamination in the water. For this reason, two tablets of Potable Aqua and a 30-minute waiting period are required before drinking the water. The iodine works by penetrating the cell wall of the microorganism, therefore rendering it inactive.

How Long Can I Use Potable Aqua?

 Potable Aqua tablets are to be used as a short-term, emergency treatment for disinfecting drinking water. Potable Aqua should not be used on a long-term, continuous basis. According to label directions, the recommended dosage of Potable Aqua is two tablets in one liter or quart of water. This dosage is equivalent to 16 ppm of elemental iodine in the water. Since this product is intended for use in emergency situations, extended daily use should be kept to a limited basis and not exceed six weeks.

What Organisms are Iodine Effective Against?

Iodine, in the concentration released by Potable Aqua, has been found to kill the following organisms:

  • Escherichia coli
  • Vibrio cholerae Salmonella typhosa
  • Salmonella typhimurium Salmonella paratyphi
  • Shigella dysenteriae
  • Shigella flexneri
  • Shigella sonnei
  • Aerobacter aerogenes
  • Klebsiella terrigena
  • Streptococcus faecalis
  • Leptospira icterohaemmorrhagiae
  • Infectious hepatitis
  • Poliomyelitis
  • Entamoeba histolytica (amobic dysentery)
  • Giardia lamblia (Giardiasis)
  • Schistosome cercariae (aka Bilharzia)  

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