Best Water Purification Tablets

7 Best Water Purification Tablets (2022 Reviews)

If outdoor adventures such as hiking, camping, or backpacking, tickle your fancy, you understand that water purification tablets can be a lifesaver, quite literally. Failing to properly disinfect water to render it safe for consumption can be detrimental to your health and could mean the difference between life and death.

However, with the multitude of purifiers that have filled the market, each claiming to be effective in getting rid of contaminants, finding the best option can be an uphill battle. Luckily, we’ve rounded up the 7 best water purification tablets to narrow down your search and find the ideal option for you.

In a hurry? Here’s the test winner after 10 hours of research:

PURINIZE - The Best and Only Patented Natural Water Purifying Solution - Chemical Free Camping and Survival Water Purification
208 Reviews
PURINIZE - The Best and Only Patented Natural Water Purifying Solution - Chemical Free Camping and Survival Water Purification
  • ✭100% non-toxic. Free of chemical disinfectants like chlorine, chlorine dioxide & iodine with NO chemical after taste.

7 Best Water Purification Tablets – Overview

Here are the top 5 picks (keep scrolling for more details and picks 6-7).

Overview
Best Overall
PURINIZE - The Best and Only Patented Natural Water Purifying Solution - Chemical Free Camping and Survival Water Purification
Lowest Price
Potable Aqua Water Purification Tablets With PA Plus - Two 50 count Bottles
Potable Aqua Chlorine Dioxide Water Purification Tablets - 30 Count
Katadyn Micropur MP1 Purification Tablets (20 count)
Rothco Chlor-Floc Us Military Water Purification Tablets
Title
Purinize
Potable Aqua
Potable Aqua Chlorine Dioxide
Katadyn Micropur MP1
Rothco Chlor-Floc
Price
Price not available
$8.42
$16.14
$13.49
$14.99
Rating
⭐⭐⭐⭐⭐
⭐⭐⭐⭐
⭐⭐⭐⭐1/2
⭐⭐⭐⭐
⭐⭐⭐⭐⭐
Best Overall
Overview
PURINIZE - The Best and Only Patented Natural Water Purifying Solution - Chemical Free Camping and Survival Water Purification
Title
Purinize
Price
Price not available
Rating
⭐⭐⭐⭐⭐
Lowest Price
Overview
Potable Aqua Water Purification Tablets With PA Plus - Two 50 count Bottles
Title
Potable Aqua
Price
$8.42
Rating
⭐⭐⭐⭐
Overview
Potable Aqua Chlorine Dioxide Water Purification Tablets - 30 Count
Title
Potable Aqua Chlorine Dioxide
Price
$16.14
Rating
⭐⭐⭐⭐1/2
Overview
Katadyn Micropur MP1 Purification Tablets (20 count)
Title
Katadyn Micropur MP1
Price
$13.49
Rating
⭐⭐⭐⭐
Overview
Rothco Chlor-Floc Us Military Water Purification Tablets
Title
Rothco Chlor-Floc
Price
$14.99
Rating
⭐⭐⭐⭐⭐

Best Overall
1. Purinize

PURINIZE - The Best and Only Patented Natural Water Purifying Solution - Chemical Free Camping and Survival Water Purification
208 Reviews
PURINIZE - The Best and Only Patented Natural Water Purifying Solution - Chemical Free Camping and Survival Water Purification
  • ✭100% non-toxic. Free of chemical disinfectants like chlorine, chlorine dioxide & iodine with NO chemical after taste.

As one of the easiest to use purification tablets, Purinize gets effectively eliminates protozoa, bacteria, and viruses lurking in the water. Additionally, it removes pharmaceuticals, heavy metals, and industrial chemicals. Without any additional water disinfectants, Purinize naturally cleanses and disinfects water.

With its uncanny ability to eradicate more than 200 contaminants, this 100% mineral-based formula has been the go-to option for travelers, backpackers, travelers, and people in emergencies.

Unlike other water purifiers in the market, Purinize doesn’t leave behind an awful aftertaste, so it neutralizes contaminants without altering the flavor of your water. The lack of harsh chemicals such as chlorine dioxide and iodine makes this option 100% eco-friendly and non-toxic.

Pros
  • 100% mineral-based formula
  • Lacks harsh chemicals
  • Eco-friendly
  • Removes pharmaceuticals, heavy metals, viruses, industrial chemicals, protozoa, and bacteria lurking in the water
  • Doesn’t alter the flavor of the water
  • Doesn’t use additional disinfectants to purify the water
Cons
  • Must be paired with an excellent water filter for the best results

Lowest Price
2. Potable Aqua

As a reputable brand when it comes to water purification, Potable Aqua is one of the best water purification tablets used by militaries and relief organizations due to its effectiveness. The neutralizing tablets eradicate color and unpleasant taste from the treated water.

Furthermore, they have a 30-minute wait time to entirely get rid of all microorganisms lurking in the water, making it safe for drinking. While two PA Plus neutralizing tablets effectively neutralize the iodine left after the treatment process, two Potable Aqua tablets get the job done in treating a liter of water.

Pros
  • The tablets quickly break down to remove the iodine taste within 5 minutes
  • Kills giardia lamblia, viruses, and bacteria
  • Gets rid of unpleasant flavors from the water
  • The package includes a purifier and neutralizer
  • Works in 30 minutes to render the water safe for consumption
Cons
  • Doesn’t get rid of cryptosporidium cysts

3. Potable Aqua Chlorine Dioxide

Sale
Potable Aqua Chlorine Dioxide Water Purification Tablets - 30 Count
1,513 Reviews
Potable Aqua Chlorine Dioxide Water Purification Tablets - 30 Count
  • One pack of 30 Potable Aqua Chlorine Dioxide Water Purification Tablets for Drinking

If you’re looking for the best water purification tablets that are effective against cysts (Cryptosporidium and Giardia Lamblia), bacteria, and viruses, then Potable Aqua Chlorine Dioxide is your best bet. These tablets offer unrivaled water treatment, making them perfect for emergency preparedness situations, camping, traveling, and hiking.

For emergency water purification, these tablets take 4 hours to purify one liter (one quart) of water. Furthermore, they have up to 2.6 times the oxidizing capability of chlorine.

Pros
  • Treats up to 30 quarts of water
  • Perfect for various outdoor scenarios
  • Effective against viruses, cysts, and bacteria
  • Improves the odor and taste of water
  • Adheres to the EPA microbiological purifier standards
  • Guarantees no aftertaste
  • Useable with hydration packs
Cons
  • Requires a 4-hour treatment time

4. Katadyn Micropur MP1

Katadyn Micropur MP1 Purification Tablets (20 count)
373 Reviews
Katadyn Micropur MP1 Purification Tablets (20 count)
  • Crafted from the highest quality material ensuring quality and durability

Suitable for trips, emergencies, hikes, and backpacking, Katadyn Micropur MP1 is the best water purification tablet that will get the job done without leaving an unpleasant aftertaste in your water. Safer than iodine tablets and implementing the same technologies as the municipal water treatment systems, these chlorine dioxide tablets are effective against viruses, Cryptosporidium, bacteria, and Giardia. Each pack contains 20 tablets. To purify a liter of water, you require one tablet, so you get 20 liters of purified water per packet you buy.

Pros
  • Eliminates bacteria, viruses, and other contaminants in 15 minutes
  • Packaged individually to boost its shelf life and efficiency
  • Highly portable
  • Doesn’t leave a chlorinated aftertaste as seen in other purifiers
  • Cost-effective
Cons
  • Takes up to 4 hours to completely purify the water

5. Rothco Chlor-Floc

Popularly used by the Military, the Rothco Chlor-Floc purification tablets come in powder form and work their magic to make even the dirtiest water safe for consumption. As the answer to unsafe water concerns, you’d undoubtedly appreciate having a few packs of Rothco Chlor-Floc in your backpack, particularly if you plan to spend a lot of time in remote places during your hiking, backpacking, or camping adventures where boiling water isn’t an option.

Unlike other options that take hours to purify the water, these tablets take up to 10 minutes to render the water is safe for consumption. Simply empty the contents of the purification pack into your water, shake well, let it sit for the recommended time, and you’re good to go. Filtered water using these tablets is free of bacteria, giardia, and viruses. You only require 1 to 2 packs per liter of water, so 30 packs in each purchase last about two weeks.

Pros
  • Easy to transport
  • Wait time of only 10 minutes
  • Suitable for emergencies
  • Dissolves quickly
  • One packet treats 8 gallons of water
  • Gets rid of giardia, viruses, and bacteria
Cons
  • Short shelf life

6. Aquatabs 

If you’re on the quest for the world’s leading purification tablets, then Aquatabs is right up your alley. To protect you and your family, they are effective against viruses, giardia cysts, and bacteria. In addition, you only require a 30-minute wait time after which your water is ready for consumption. It’s, therefore, no surprise that in 2016, Aquatabs purified more than 11 billion liters of water.

For portability, the tablets are small and a snug fit in disaster relief packs, camping backpacks, and emergency preparedness kits. Produced to international standards and valid ANSI/NSF Standard 60 certification, a pack of 30 tablets gets the job done to effectively treat 60 quarts.

Pros
  • Easy to carry
  • Treats water within 30 minutes
  • Effective against viruses, giardia cysts, and bacteria
  • Cost-effective
  • Each tablet treats up to 2 quarts of clear water
  • Perfect for ultralight travel
  • 5-year shelf life
Cons
  • Has a slight aftertaste

7. Coghlan’s

As a germicidal product that’s ideal for emergencies where you lack access to clean water that is fit for consumption, Coghlan’s purification tablets are a worthwhile investment to keep you in tiptop health during outdoor activities such as camping, hiking, and fishing.

Given that they use iodine compounds, after treatment, an unpleasant aftertaste or odor becomes the least of your worries. Their portable nature means you can bring these tablets with you on your outdoor adventures, neatly tucked away in your knapsack, purse, or wallet.

For challenging times, it’s recommended that you store these tablets in your emergency preparedness or bag or kit for survival when challenging times crop up. Coghlan’s purification tablets are proven effective against contaminants such as viruses, bacteria, and giardia lurking in the water.

Furthermore, this purifier screens down to a nominal 1 micron which means impurities won’t be left in your water.

Pros
  • No aftertaste
  • Effectively gets rid of impurities and contaminants
  • Efficiently screens down to 1 micron
  • Compact and lightweight
  • Suitable for outdoor activities and emergencies
  • Dissolves quickly
Cons
  • Pricier than other purification tablets
  • Only filters up to 25 quarts of water

Our Winner:

PURINIZE - The Best and Only Patented Natural Water Purifying Solution - Chemical Free Camping and Survival Water Purification
208 Reviews
PURINIZE - The Best and Only Patented Natural Water Purifying Solution - Chemical Free Camping and Survival Water Purification
  • ✭100% non-toxic. Free of chemical disinfectants like chlorine, chlorine dioxide & iodine with NO chemical after taste.

Buying Guide

Let’s explore a few factors to consider when choosing the best water purification tablets.

Ingredients

The best water purification tablets are available in different forms ranging from chlorine dioxide and iodine to chlorine. The type you opt for revolves around the strength needed. For efficacy, chlorine dioxide tablets are the most powerful as they eliminate a plethora of microorganisms, pathogens, bacteria, and viruses. However, if you’re looking for a quick fix, chlorine and iodine tablets will get the job done.

Purification Time

Granted, you want water purification tablets that get rid of impurities and contaminants in a jiffy. However, while most products require 10 to 30 minutes to work, others take up to 4 hours to get the job done. Keep in mind that if you typically forget to do things on a schedule, a 4-hour wait time isn’t ideal.

Side Effects

The best water purification tablets are safe for consumption. However, there’s n denying that some people experience side effects from these purifiers. For instance, iodine and chlorine tablets usually alter the water’s smell and taste, leaving an odor and unpleasant aftertaste.

Some users also report stomachaches, dizziness, stomach upset, and headaches. Pregnant women and those with underlying ailments such as thyroid issues, diabetes, and high blood pressure should first consult a physician.

Effectiveness

Although water purification tablets kill bacteria and viruses when used properly, not all purifiers are effective against Cryptosporidium. Ensure you choose a product that effectively kills any microorganisms you might encounter on your outdoor adventures.

Smell and Taste

Consider the intensity of odor and taste you can tolerate in your drinking water. If you’re sensitive to taste and smell, consider water purification tablets that get rid of the aftertaste and odor of iodine, for instance, Potable Aqua discussed earlier. However, if you don’t mind a strong chemical smell that gives you 100% assurance that all contaminants lurking in the water have been killed, then Aquatabs is right up your alley.

Packaging

If you want to make your backpack as light as possible, then Potable Aqua tablets are your best bet as they weigh the least. However, if you gravitate more towards durability during your travels, the Potable Aqua Chlorine Dioxide water purification tablets are a better option as they are more difficult to open, meaning the package remains intact.

Closing Remarks

Now that you know the best water purification tablets to buy and what to look for to permit an informed decision, the ball is in your court. You can enjoy your outdoor adventures with safe and clean drinking water at your disposal.

FAQ

What are the most reputable brands of water purification tablets?

The top brands of the best water purification tablets range from Aquatabs, Purinize, Potable Aqua, Coghlan’s, Rothco, and Katadyn to Potable Aqua. Consider these when looking for quality and affordability rolled into one.

How long do water purification tablets last?

There’s no uniform shelf life for water purifying tablets. While some retain the efficacy for up to 5 years from the date of manufacture, others have a shorter shelf life of 1 to 3 years. The duration that they last is based on the quality of manufacturing processes and ingredients used in the formulation. Nonetheless, you can take a few steps to prolong the shelf life.

For instance, given that these purifiers come in sealed packages, it’s important to only open the number of tablets you intend to use in a specific amount of water. Secondly, storing them in a cool and dry place helps safeguard the shelf life.

What is the best way to use water purification tablets?

The instructions usually revolve around mixing and specified waiting times before the water is rendered safe for consumption. Begin by eliminating any sediment from the water using basic filtering methods such as covering the mouth of a container with a clean cloth that serves as a sieve.

Next, empty the water into another container through the fabric. Alternatively, you can allow the sediment to settle at the bottom of the container then slowly empty the water into another container.

Once you’ve eliminated the sediment, add the specified number of purification tablets for a given volume of water. Mix well until the tablet particles dissolve entirely and the water isn’t cloudy. Let the mixture sit for up to 30 minutes before you drink it.

Amanda Perkins

Amanda began her career as a technical writer for a healthcare group in 2008. Years after getting married and starting a family, she joined her husband Joshua on the Water Filter Authority journey to educate other families and households about safe, affordable, and effective water filtration systems.