Clean Water on the Go: A Comprehensive Test of the Katadyn Pocket Water Filter (Review)

Safe and hydrated on the go with the Katadyn Pocket Water Filter – your loyal companion for all outdoor activities, survival, bushcraft, and expeditions.

from Martin Gebhardt | Gear | reading time 9 Min
Updated on 01 June 2023 7.429 views 100% found this guide helpful
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Clean Water on the Go: A Comprehensive Test of the Katadyn Pocket Water Filter (Review)

Martin Gebhardt

From Martin Gebhardt. Check out my “About me” page.


👉 The key facts from this guide

  • The Katadyn Pocket water filter is a portable and durable water filter that can filter up to 50,000 liters of water before the ceramic cartridge needs to be replaced.
  • It is ideal for outdoor activities such as hiking, trekking, camping, and expeditions and filters out bacteria, protozoa, and suspended particles from the water.
  • Despite its higher price, the Katadyn Pocket water filter offers high quality and reliability and is a worthwhile investment for outdoor enthusiasts.
  • Regular maintenance and cleaning of the filter, including the ceramic cartridge and pump mechanism, is important to ensure its optimal performance and lifespan.
  • The Katadyn Pocket water filter is rugged and durable, with a sturdy aluminum housing and efficient hand pump for water filtration.
  • It is an essential tool for any nature lover and provides the safety and convenience of always having access to clean drinking water no matter where you are on your adventures.

Hiking through the woods and thirsty, but no clean drinking water in sight? That can quickly become a serious problem.

In the wilderness, there are many dangers in the form of bacteria, protozoa, and suspended matter that can be present in inadequately purified water.

Drinking dirty water can cause health problems and ruin your outdoor adventure.

But don't worry! Here comes the Katadyn Pocket Water Filter into play.

In this test and review, I share my experiences with this reliable companion for the wilderness and explain why it is indispensable for every adventure, expedition, and survival enthusiast.

Quick Overview: What is the Katadyn Pocket Water Filter

The Katadyn Pocket is a portable water filter that is particularly suitable for outdoor activities such as expeditions, but also serves for hiking, trekking, camping, crisis preparedness, and travel.

Katadyn Pocket Wasserfilter Fakten Uebersicht

This water filter uses a ceramic cartridge that can filter up to 50,000 liters of water before it needs to be replaced.

The filter performance is 1 liter per minute. The Katadyn Pocket filters out bacteria, protozoa, cysts, algae, spores, and sediments through its pores in the filter ceramic. The pore size is 0.2 microns (0.0002 mm).

Let's now dive in and take a closer look at the filter!

My Video Review of the Katadyn Pocket Water Filter

In my YouTube video, I give a detailed insight into the Katadyn Pocket Water Filter, a high-quality ceramic filter from Switzerland that has accompanied me on numerous outdoor adventures.

I explain the technical aspects, the advantages, and the handling of the filter and share my personal experiences with it.

If you are looking for a reliable and durable water filter for your hikes, camping trips, and survival adventures, you should definitely watch this video.

The Katadyn Pocket Water Filter in Detail

Structure and Functionality

The Katadyn Pocket Water Filter is designed to be easy to use and efficient. Its main component is the durable ceramic cartridge, which is responsible for its outstanding filtering performance.

The cartridge consists of microporous ceramic, which has tiny pores with a diameter of 0.2 micrometers. This prevents bacteria, protozoa, and suspended matter from passing through the cartridge, while allowing the water to flow through easily.

katadyn pocket wasserfilter tested stempel

The filter is housed in a sturdy aluminum case that provides additional stability and durability.

At one end of the case is an inlet hose that is dipped into the water, while at the other end, an outlet hose is attached from which the filtered water emerges.

katadyn pocket wasserfilter martin gebhardt beim filtern am see

To use the water filter, simply immerse the inlet hose into your water source and begin working the integrated hand pump.

As you pump, the water is drawn through the ceramic cartridge, with impurities being retained, and clean drinking water flowing through the outlet hose.

It's also nice that a pre-filter is included - so coarse sediments stay out of the deep filter.

katadyn pocket wasserfilter ansaugvorrichtung

Compact and Ideal for On-the-Go

If, like me, you love the wilderness and are often on the go outside, you know how important it is to have reliable and compact equipment with you.

The Katadyn Pocket Water Filter is exactly that: weighing approximately 550 grams and measuring 24 x 6 cm, it fits easily into your backpack and doesn't weigh you down unnecessarily.

katadyn pocket wasserfilter lieferumfang

Sure, there are lighter filters, but they are not ceramic filters at the same level. You have to decide here what is more important to you: a reliable filter from a Swiss company, or less weight, but not as durable and safe.

Whether you're planning a multi-day trek through untouched wilderness or just want to make sure you always have access to clean drinking water - the Katadyn Pocket Water Filter should definitely be in your gear.

The Katadyn Pocket Water Filter in Practice

Clean Water in No Time

During my numerous outdoor adventures, I had the opportunity to thoroughly test the Katadyn Pocket Water Filter.

One of the most impressive features of this filter is its fast and efficient operation. With a filter capacity of 1 liter per minute, I was able to fill my water bottle with fresh, clean water in no time.

katadyn pocket wasserfilter test truebes klares wasser vergleich

During my hike in a remote forest area, I only had access to a small stream that looked clear but may have contained contaminants.

With the help of the Katadyn Pocket Water Filter, I was able to drink the water without hesitation and felt safe doing so. The water quality after filtering was excellent - clear, odorless, and without any unpleasant taste.

katadyn pocket wasserfilter flaschenclip

I also checked the water quality with a friend during a survival training using a TDS (Total Dissolved Solids) meter to ensure that the filter was actually effective. (Total Dissolved Solids indicates the sum of dissolved solids in the water, including salts, minerals, and metals.)

Before filtering, the TDS value was about 250 ppm (parts per million), and after filtering through the Katadyn Pocket Water Filter, the value was only 20 ppm. This shows how effective this water filter is in removing contaminants.

Short explanation of TDS values: A value of 50 PPM means that out of a million particles, 50 are dissolved ions, and the rest (= 999,950) are water molecules. On average, the TDS level of tap water in Germany ranges from 170 to 370 PPM.

The measured value of a TDS device indicates the conductivity of the water and thus the number of ions contained in it. However, one should not assume that water with a PPM value of zero is free of drug residues, pesticides, motor oil, and gasoline, as most pesticides, hormone-active substances, and drug residues are usually not ions.

Please always make sure to take all necessary safety precautions to avoid consuming contaminated water.
Please always make sure to take all necessary safety precautions to avoid consuming contaminated water.

Robustness and Durability

During my outdoor experiences in recent months, I tested the Katadyn Pocket Water Filter under various conditions - in heat and cold, in dry and humid environments.

The fact is: the filter never let me down and proved to be extremely resistant and durable.

The sturdy aluminum housing ensured that the filter remained intact even when dropped or bumped.

The ceramic cartridge continued to function flawlessly after many uses.

If the ceramic filter cartridge is dirty, simply clean it with the included sponges
If the ceramic filter cartridge is dirty, simply clean it with the included sponges

According to the manufacturer, the cartridge can filter up to 50,000 liters of water before it needs to be replaced. That is more than enough to accompany me on many more adventures.

If you filter 10 liters of water every day of the year, the filter will last for over 13 years!

Overall, the Katadyn Pocket Water Filter proved during my tests that it can withstand even the toughest conditions while always delivering clean drinking water.

It is definitely a reliable partner for anyone who loves the wilderness and often ventures into nature.

Is the high price of the Katadyn Pocket Water Filter justified?

Alright, let's get to a point that surely interests you: the price.

Yes, you could say now: "The price is high compared to other filters."

But... Look at how much ceramic filters cost – unfortunately, they are not cheap. Even the good filters that have hollow fiber filter cartridges cost more than 300 €.

At first glance, the Katadyn Pocket Water Filter may seem expensive, but is this price really justified?

The answer is a clear yes.

katadyn pocket wasserfilter verkaufsbox

The Katadyn Pocket Water Filter is a Swiss quality product that stands for durability and excellent performance. Once you hold this water filter in your hand and experience it in action, you will quickly understand why it is worth its price.

Of course, there are cheaper water filters on the market, but they often do not last as long and have to be replaced regularly.

This is not only bad for the environment, but also in the long run for your wallet.

All components of the water filter are excellently processed and of high quality
All components of the water filter are excellently processed and of high quality

Imagine buying a new water filter every year – in the long run, you will spend more money than if you invest in a high-quality water filter from the beginning.

Think of it like with a high-quality tool: You could buy a cheap tool that breaks after a short time and has to be constantly replaced, or you invest in a high-quality tool that lasts a lifetime.

The Katadyn Pocket Water Filter is like the high-quality tool – a one-time investment that saves you time, money and hassle in the long run.

The structure of the Katadyn Pocket Water Filter
The structure of the Katadyn Pocket Water Filter

Maintenance and cleaning: How to care for the Katadyn Pocket Water Filter

To ensure that your Katadyn Pocket Water Filter always stays in top condition and reaches its maximum lifespan, it is important to regularly maintain and clean it.

Here are some tips on how to care for your water filter optimally:

  1. Clean the cartridge: After several uses, the ceramic cartridge can become clogged with dirt particles, reducing the filter's performance. To prevent this, you should regularly clean the cartridge. To do this, you need to disassemble the filter and gently brush the ceramic cartridge with the supplied sponges (or a soft brush or sponge) and clear water. Be careful not to damage the ceramic.
  2. Clean hoses and pump mechanism: It is also important to keep the inlet and outlet hoses and the pump mechanism clean. Rinse the hoses with clear water after each use and let them dry thoroughly before packing them away. You can occasionally clean the pump mechanism with a damp cloth and lubricate it with some silicone grease if necessary to keep it moving smoothly.
  3. Drying and storage: Allow the water filter to dry completely after each use before storing it. Moisture inside the filter can lead to mold growth and unpleasant odors. Make sure all parts, especially the ceramic cartridge, are well dried before reassembling and packing away the filter.
  4. Replace the cartridge: Although the ceramic cartridge has a long lifespan of up to 50,000 liters of water, it will wear out one day and its filtering performance will decrease. Watch out for signs that the cartridge needs to be replaced, such as significantly reduced flow rate or a worn surface. When the time comes, get a replacement cartridge and replace it according to the manufacturer's instructions.

By taking good care of your Katadyn Pocket Water Filter and regularly maintaining it, you ensure that it always performs optimally and accompanies you on many outdoor adventures.

Sponges and accessories make cleaning and lifespan easier
Sponges and accessories make cleaning and lifespan easier

How can I increase the lifespan of my Katadyn Pocket water filter?

To increase the lifespan of your Katadyn Pocket water filter and ensure optimal performance, follow these tips:

  • Pre-filter in cloudy water: If you want to filter very cloudy water, use a coffee filter or piece of cloth before the pre-filter. This keeps the pre-filter cleaner for longer and puts less strain on the ceramic cartridge.
  • Let sediment settle: In heavily cloudy water, pour it into a container first and wait for the sediment to settle at the bottom. Then carefully remove the clearer water and run it through the water filter.
  • Regular cleaning: Clean the ceramic cartridge and pump mechanism regularly to avoid buildup and blockages. This helps keep the flow constant and increases the lifespan of the filter.
  • Pump gently: Pump the water slowly and evenly through the filter. Excessive or rapid pumping can unnecessarily strain the filter and its components. Never use force!
  • Don't overuse the cartridge: Be sure to replace the ceramic cartridge in time before it becomes too worn. An overused cartridge can impair the performance of the filter and cause damage to other parts. (Katadyn provides a measuring gauge. If the gauge fits around the filter, you need a new one.)
  • Dry and store the filter: Let the water filter dry completely after each use before storing it. Moisture inside the filter can cause mold and unpleasant odors.
  • Protect your filter: Store the Katadyn Pocket water filter in the supplied protective case to protect it from bumps, scratches, and other damage. Ideally, it never freezes.
  • Regular inspection: Regularly check the ceramic filter for signs of wear, cracks, or other damage. Replace damaged parts in time to ensure optimal function and lifespan of the filter.

By following these tips, you can increase the lifespan of your Katadyn Pocket water filter and ensure that it reliably provides you with clean drinking water on all your outdoor adventures.

Regular inspections of your water filter make it easier to find damaged parts in time.
Regular inspections of your water filter make it easier to find damaged parts in time.

Conclusion: Why the Katadyn Pocket water filter is a must-have for every nature lover?

After my extensive tests and experiences with the Katadyn Pocket water filter, I can confidently say that it is a fantastic device.

As an outdoor enthusiast - who values excellent, safe, and reliable equipment - you should have this filter in your arsenal.

The high quality and workmanship of this water filter ensure excellent performance, so you always have access to clean drinking water no matter where your adventures take you.

The robustness and durability of the Katadyn Pocket water filter make it a reliable companion that can withstand even the toughest conditions.

katadyn pocket wasserfilter mechanismus

Only its size and weight of over 500 g could be somewhat cumbersome on every hike, camping trip, or expedition.

Nevertheless: I would not hesitate to take this water filter with me to the Amazon or any other remote area because I know it will not let me down.

The fact that I always have clean, filtered water available gives me an additional level of safety and comfort on my adventures.

If you, like me, are a passionate nature lover and the wilderness is your life, then the Katadyn Pocket water filter is an absolute must-have for you.

You can buy the Katadyn Pocket water filter directly here in the official Katadyn shop.

There you will also find many other water filters, corresponding accessories/spare parts, and generally great products for hiking and trekking.

Disclosure: Thanks to the team at Katadyn for providing me with the water filter to test. I was not paid to write this review.

Take care, Martin
Martin Gebhardt

Martin Gebhardt

Hey, I'm Martin. On my blog, you will learn the basics and numerous details about living in the wild. I think survival, bushcraft and the good life in nature are the keys to happiness. Find me here on Instagram or on YouTube. You can find more about my mission on the About Me page.

Since this is a gear guide, here ...


🤝8 reasons to trust my recommendation

  1. Practical Experience: I have tested most of the products I recommend under extreme conditions myself.

  2. Independence: As a wilderness mentor, I am not tied to any specific brands - this means my recommendations are unbiased.

  3. Expertise: My many years of experience allow me to understand the intricacies and details of various products that a layperson might overlook.

  4. Target group understanding: I understand the needs and challenges of outdoor enthusiasts, from beginners to seasoned experts.

  5. Quality focus: I attach great importance to quality and longevity. These are characteristics that are crucial in the wild.

  6. Clear communication: I try to explain the pros and cons of each product clearly and understandably so that you can make an informed decision.

  7. Currentness: I always keep my guides up to date and adapt them to new findings or products.

  8. Community Feedback: I work in wilderness schools, teach courses myself, attend courses and am active in various outdoor and survival communities and therefore integrate the feedback and experiences of others into my recommendations.

So when I introduce the best survival knives or flashlights, you can be sure that every recommendation is based on solid experience and extensive knowledge.

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