Katadyn  Micropur Purification Tablets - Package of 20

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Purifying water couldn't be easier, simply drop a Katadyn Micropur tablet into a quart of water to drink with confidence and no chemical aftertaste.

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Features

  • Features the same proven technology used in municipal water supplies, Micropur tablets are effective against viruses, bacteria, Giardia and Cryptosporidium
  • Destroys viruses and bacteria in 15 min., Giardia in 30 min. and Cryptosporidium/i> in 4 hrs.
  • Use 1 tablet per quart of water
  • Meets the US Environmental Protection Agency purification guidelines; active ingredient is chlorine dioxide
  • Each tablet is individually wrapped and sealed
  • While a 4 hr. wait time may be inconvenient, alternative disinfectants do not claim to destroy Cryptosporidia

Made in USA.

View all Katadyn Chemical Water Treatments

Technical Specs

Best Use

Backpacking

Filter Type

Tablet

Removes/Destroys

Protozoa, Bacteria And Viruses

Output

20 quarts

Weight

0.8 ounces

Reviews
25 reviews with an average rating of 4.4 out of 5 stars

Ratings Snapshot

Product Rating

14 out of 16 (88%) reviewers recommend this product

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Average Customer Ratings

Ease of Use

Difficult to useVery easy to use

Most Helpful Favorable Review

5 reviews with an average rating of 4.0 out of 5 stars
Lightest/Smallest Solution
OregonCharlie
17 years ago
Why fuss with a filter and carry the extra weight ? These are the ultimate in simplicity and ultralight. Saves bulk in the pack as well. There's definitely an odor but that can be outgassed by cracking the lid of your Nalgene while you do other things in camp. Smell dissipates and there is no noticeable taste. Water tastes clean and pure. Another bonus is that chlorine dioxide is the same thing Camelbak uses in their cleaning tablets....so your treated water keeps your hydration bladder from going biological on long treks.
OregonCharlie
Portland, OR
18 people found this review helpful

Most Helpful Critical Review

5 reviews with an average rating of 2.0 out of 5 stars
A problem with these tablets
NCWANC
5 years ago
Once you throw away the box and put the tablets in your pack or go-bag, it’s impossible to make out the expiration date stamped on the foil. If you don’t somehow mark the foil, the tablets become useless eventually because you can’t trust that they’re still good, unless you’re able to remember what date was in the box. So....throw them out and buy more? Nope.
NCWANC
Asheville, NC
3 people found this review helpful
OregonCharlie
Portland, OR
Rated 4.0 out of 5 stars

Lightest/Smallest Solution

17 years ago

Why fuss with a filter and carry the extra weight ? These are the ultimate in simplicity and ultralight. Saves bulk in the pack as well. There's definitely an odor but that can be outgassed by cracking the lid of your Nalgene while you do other things in camp. Smell dissipates and there is no noticeable taste. Water tastes clean and pure. Another bonus is that chlorine dioxide is the same thing Camelbak uses in their cleaning tablets....so your treated water keeps your hydration bladder from going biological on long treks.

Yes , I recommend this product
Helpful?
TomESD
Roselle, IL
Rated 5.0 out of 5 stars

Do You Have a Safe Water 'System'?

7 years ago

Ok, most of the time camping or backpacking or hiking I have enough water along, as do my friends. Still, it costs very little in cash or weight to be prepared to prepare safe drinking water. My 'system' includes carrying a ubiquitous, cheap 500mL bottle of water that can be cut at the top to form a funnel and a 'bucket', a 6" square of diesel filter felt that can pre-filter to 5 microns, a Katadyn BeFree 600mL filter and soft bottle, these tablets, and a way to boil the water (mug and alcohol stove or all-in-one like the WindBurner). Given enough time I'll do all the above. On the move I'll do through the tablets. Pressed for time, the pre-filter and BeFree. What's your 'system'?

Yes , I recommend this product
Helpful?
chrisclimbs
Colorado
Rated 5.0 out of 5 stars

Superlight and very convenient

17 years ago

I used these tablets for the first time this Summer and have to say that I'm extremely impressed. They are effective against everything and really easy to use. Iodine is too messy but these tablets are simply awesome. The only problem with using tablets is that solid matter will also make it inside the container. It will be disinfected but still be there. Using a coffee filter will take care of that. The 4 hours only applies to effectiveness against crypto so don't be put off by that. Iodine isn't effective against crypto in the first place. I'm leaving the water filter at home from now on. It is simply too bulky and heavy if these paperweight and super-small tablets are just effective. Simply fill up a liter of water and pop one of these tablets in. They dissolve by themselves super fast. I found that with planning the 4 hour wait time is not a big deal. Treat your water at night before sleeping and your water will be ready. As you use up water you can treat some more for later use. I'm sold on these tablets.

Yes , I recommend this product
Helpful?
JM37
NY, NY
Rated 5.0 out of 5 stars

Beats getting sick

9 years ago

Went on a 4 day backpacking trip in Harriman State Park in NY. On day two the intake valve on my filter broke. I had thrown 10 of these into my filter bag as back-up the year before. I was glad I did. The 4 hour wait time can be a hassle, but it beats getting sick. As for the after taste, I carry Fizz or Nuun tablets to replace electrolytes, and they will mask the chemical taste.

Yes , I recommend this product
Helpful?
KevinT
Texas
Rated 4.0 out of 5 stars

More Conventient Than You Might think

16 years ago

If you plan to be breaking through the ice to take your water from a mud puddle then let the tablets work the full 4 hours. If you are planning on purifying water that is warmer or clearer than that, give Katadyn a call and discuss their recommendations.

Yes , I recommend this product
Helpful?
mtngrl970
Boulder, CO
Rated 4.0 out of 5 stars

Best tool in my pack...

17 years ago

No clogged filter! No pumping! So it takes 4 hours for a complete kill, but if you plan ahead - always having one bottle for drinking while one is filtering - the times goes fast. Unlike the 'drops' method, the result is colorless, odorless, tasteless. Best part is that the tablets weigh next to nothing and take even less space in your pack than your toothbrush.

Yes , I recommend this product
Helpful?
asdf54
Boston ma
Rated 5.0 out of 5 stars

No aftertaste for me

16 years ago

I read these reviews and thought i'd give it a try. I tasted no aftertaste. I handed my friends a bottle and told them to try it without saying anything. After convincing them I didn't do anything bad to it they tried it and noticed nothing. Great. These are definitely replacing my water filter on the next hike. 1lb gone.

Yes , I recommend this product
Helpful?
Santa Cruz Adventurer
Santa Cruz, Ca
Rated 5.0 out of 5 stars

Good backup.

13 years ago

I bought these so I wouldn't have to carry as much "backup" water on hikes near streams. The benefits are obvious, one tablet is significantly lighter than the liter of water it can treat, they're easy to use, compact, and much cheaper than a filter. The only big con is really the smell. After 30 minutes in a sealed bottle, it smells strongly like pool water. If you leave the bottle open for a while this lessens. I tried a few sips from a purified bottle after 8 hours just for kicks, and the smell was pretty much gone by then. The taste really isn't bad, in fact I think it's the smell that's tricking some folks' taste buds. I mean it's no Dasani or Britta filtered water, but it's not BAD. Tastes pretty much like municipal water. It's not great, but it's completely palatable. Definitely better than getting sick or dehydrated. If I were going on a trip where I actually planned on collecting water, I'd probably look into a filter just for the more pleasant odor. But again, those are expensive. For now, this is an easy to use lightweight emergency backup. I gave this five stars because I went into the purchase knowing that the water would smell and taste a little "funny" with any tablet, so I can't really complain. Mine actually came in a greenish tan foil by the way, not the silver shown. Not sure if that's of any significance.

Yes , I recommend this product
Helpful?
levidutka
Atlanta, GA
Rated 4.0 out of 5 stars

Simple

17 years ago

Great to add to any backcountry first aid kit. With a little bit of planning the 4 hour wait is not a big deal. Colorless, odorless, and tasteless so it works better than most filters and weighs next to nothing.

Yes , I recommend this product
Helpful?
MosquitoBait71
SF Bay Area
Rated 5.0 out of 5 stars

Does just what it says.

7 years ago

Took these to Peru for an adventure on the Amazon River. It was just in case, as I was traveling with a group under the auspices of Lindbladt/National Geographic Expeditions. We had bottled water at all times. But I arrived two days early and, due to a prior bad experience with local bottled water in Mexico, I used Katadyn Micropur tablets in the locally bottled water provided by my advance hotel. Each tab does one liter. The bottles were half liters, so I broke each tab in half and dropped a half in each bottle. FIZZ!! :) So that was fun. Palest yellow tinge at first. Not what you want in something you're going to drink. But, after it's 4-hour work stint, the color faded to more like pure water. Best of all, the tastelessness of the treated water is true! No added smell, no added taste. I had peace of mind, and of gut. So, I'm going to get more Latadyn Micropur tabs to take to Africa on my 2019 safari.

Yes , I recommend this product
Helpful?
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