Water quality testing is fundamental for the development of the water sector and the reduction of waterborne diseases. We support organizations in doing water quality testing, operating successful water laboratories and ensuring safe drinking water quality under limited conditions (e.g. in rural areas).


Independent from electricity High in quality Robust Easy to use Easy to transport Independent from consumables Developed from practice Made in Germany

Quantitative Testing

Fecal Bacteria

100% made in Germany - the perfect equipment to easily quantify fecal coliform bacteria in water samples according to ISO 9308-1:2014 - in the laboratory and in the fields. LetzTest has invented a portable Membrane Filtration Kit which is perfectly adapted to a surrounding with limited infrastructure. The kit is robust (made of 1.4404 stainless steel), electricity-free and independent from inappropriate consumables.

Electricity-Free Incubation at 37°C

New and Unique !

100% made in Germany - LetzTest has invented an electricity-free incubator which will revolutionize water quality testing in regions with instable power supply! Use the sun or hot water for activation. Then incubate your test tubes or petri dishes for 24 hours at 37°C. Our incubator is protected by patent office and by intellectual property rights.

Presence / Absence Testing
Fecal Bacteria - very easy to use !

In 2015, 1.4 million people worldwide died as a result of diarrheal diseases, mainly due to fecal contamination of drinking water (WHO, 2017). 100% made in Germany - LetzTest Tubes and the unique Household Water Test Kit, are very helpful tools to detect the presence of fecal bacteria in water and to raise awareness for water quality.

Smart Meters

Physico-chemical parameters

Easy to use, easy to transport, waterproof, robust, precise, fast, easy to calibrate, accurate and providing results for more than 40 parameters.

These very unique meters can transmit the results to your smartphone by Bluetooth® and work in conjunction with the application eXact iDip® for iOS and Android to manage your testing data in a very easy and clear manner. Results and automatically generated reports can be shared with responsible entities via e-mail and messenger apps.


Practical Progressive   Intelligible Based on unique critical success factors Adapted to local conditions Following a step-by-step approach International trainers

Your successful

water laboratory !

We strengthen our partners in their goal to sustainably test water quality and operate a successful water laboratory under limited conditions.

In the very practical and participatory training courses, the trainees experience water quality testing firsthand, and learn how to successfully manage a water testing laboratory.

In more than ten years of practical experience, we have identified critical success factors for operating well-performing and financially viable water laboratories in areas of limited infrastructure.


Data management made by LetzTest

Use userfriendly apps to collect, analyze and visualize your water testing results. Designed according to your needs, your survey, your questions, your water project.

  • Add photos and videos
  • Visualize everything on one map
  • Generate reports