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Legio EZ-Count

How much legionella does your cooling water network contain?

The first analysis kit enabling semi-quantitative, on-site assessment of legionella concentration in ACT (air cooling tower)  water systems:

  • Exclusively detects culturable Legionella pneumophila, all serogroups (CFU/L)
  • In 48 hours
  • Provides a semi quantitative result: less than 1 000 CFU/L, between 1 000 and 100 000 CFU/L or more than 100 000 CFU/L
  • Compatible with all ACT water types (not dependent upon physical and chemical sample properties).

Confidential results, obtained on-site by your staff , in only 2 days.

EZ-COUNT equipment

Multi-test equipment

Legio EZ-Count testing kit can be used with our portable multi-test laboratory allowing you to perform up to 6 simultaneous tests. Specifically sized to fit industry-testing needs (3 sampling sites in each air cooling tower), the equipment features an incubation program suited to ACT water, a temperature recorder for optimal tracking and can also be used with our Legio EZ-Test kit designed for hot sanitary water testing…

What does the Legio EZ-Count testing kit offer?

The Legio EZ-Count kit includes all consumable reagents for testing your cooling tower water samples. Used in combination with the Multi-test equipment, Legio EZ-Count kit allows you to determine in 48 hours whether your ACT water sample contains less than 1 000 CFU/L, between 1 000 and 100 000 CFU/L or more than 100 000 CFU/L of culturable Legionella pneumophila of any serogroup.

How does the test work?

A Legio EZ-Count test is performed in 3 simple steps: sample preparation (10 minutes of manipulation), incubation (47 hours of waiting) and revealing (50 minutes of manipulation) to get your results. Recording of incubation cycle temperature allows you to verify the correct incubation.

Is the test easy to perform?

Our R&D team has designed a simple protocol that does not require any technical or scientific skill. Your will be assisted step-by-step throughout the implementation process.

How is the result displayed?

Results are provided by colorimetric reading of solution absorbance at the end of the test. You just need to insert your solution into the colorimeter. The number displayed indicates whether your ACT water sample contains less than 1 000 CFU/L, between 1 000 and 100 000 CFU/L or more than 100 000 CFU/L of Legionella pneumophila.

Is this method allowed for regulatory tests?

Regulatory testing of air cooling tower water must be carried out by certified laboratories. However, health authorities require more frequent tests for ACTs. Legio EZ-Count can be used for intermediate testing.

Is it possible to perform the test on very dirty water?

Physical and chemical properties of ACT towers do not affect Legio EZ-Count tests. Legio EZ-Count requires sample filtering. If the sample contains a high rate of suspended particles, pre-filtering is recommended to avoid clogging of the thin microorganism retaining membrane.

Do you need assistance for using your kit?

Our team is at your disposal to assess your testing needs based on your installations.


Test volumes matching your needs

.Each system has its own specificities Our team will suggest a program that fits your sanitary risk management process.


Integration into your existing protocols.

We accompany you in the seamless integration of our solutions into your existing procedures.


Support for easy deployment of our solutions

We assist you through the adoption of our solutions by your staff.

C4 Hydro

Our expert will assist you in implementing an optimal legionella risk management strategy.

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