The MGS Legionella Testing Range provides fast, practical, and reliable on-site testing solutions for marine, offshore and industrial water systems.
Designed for environments where time, safety and operational control matter, the range helps vessel operators and site teams detect Legionella risk quickly, with clear results available in just 25 minutes.
MGS Legionella Testing Range
The MGS PRO Range
The MGS PRO Range is designed for comprehensive Legionella detection, identifying Legionella Pneumophila serogroups 1-15.
This makes the PRO Range suitable for operations that require wider visibility across the main Legionella Pneumophila serogroups, supporting more detailed risk assessment, reporting and remedial action planning.
The PRO Range is particularly suited to marine, offshore, and industrial environments where safety, speed, and detailed detection are essential.
Detects Serogroups 1-15
Provides broader detection across Legionella Pneumophila serogroups 1-15, helping identify both serogroup 1, and serogroups 2-15.
The MGS PRO Ultra Water Test is a single-use water testing solution designed for fast, on-site detection of Legionella Pneumophila serogroups 1-15.
It is suitable for water samples taken from systems where accurate, rapid testing is required, helping marine and offshore teams assess potential risk without waiting for laboratory culture results.
This test is ideal for vessels, offshore platforms, water storage systems, showers, tanks, and other water outlets where Legionella monitoring forms part of a wider safety programme.
Best Suited For:
Single water sample testing where fast, comprehensive Legionella detection is required.
The MGS PRO Ultra Swab Test is designed for testing surfaces and biofilm, where Legionella can often grow and remain protected.
The test is particularly useful for assessing areas where biofilm may accumulate, such as shower heads, taps, pipework, tanks, drains, water edges, and other surfaces within marine or industrial water systems.
By allowing teams to test surfaces as well as water, the PRO Ultra Swab Test supports a more complete approach to Legionella risk assessment and source identification.
Best Suited For:
Surface testing, biofilm testing and identifying potential sources of contamination.
Key Benefits of the MGS PRO Range
MGS PRO Ultra Water Test
MGS PRO Ultra Industrial Kit
MGS PRO Ultra Swab Test
Results in 25 Minutes
Supports fast on-site testing, helping reduce delays and giving teams the ability to respond quicker.
Ideal for High-Risk Environments
Suitable for vessels, offshore assets, industrial water systems and locations where rapid action may be required.
The MGS PRO Ultra Industrial Kit is designed for repeated testing of water outlets and industrial water systems.
It is suited to environments where ongoing monitoring is required, offering a practical solution for marine, offshore and commercial operations that need regular testing capability. The kit supports detection across Legionella Pneumophila serogroups 1-15, and is particularly useful where routine testing, repeat sampling, or higher-risk water systems are involved.
For vessels, offshore assets, and industrial settings, the PRO Ultra Industrial Kit provides a more structured testing option for teams managing ongoing water safety responsibilities.
Repeated testing, planned monitoring programmes, and higher-risk water systems.
Best Suited For:
Supports Better Decision-Making
Clear results help teams understand potential Legionella risk and decide on the next steps more efficiently.
The MGS ONE Range
The MGS ONE Range is designed for fast and focused detection of Legionella Pneumophila serogroup 1.
Serogroup 1 is a major cause of Legionnaires' disease outbreaks, making the ONE Range a practical and effective testing option for many marine, offshore, and industrial environments.
The ONE Range is simple to use, provides results in just 25 minutes, and is suitable for teams that need quick, clear on-site results without complex equipment or lengthy laboratory delays.
Focused Serogroup 1 Detection
Designed to detect Legionella Pneumophila serogroup 1, supporting fast identification of a key Legionella risk.
The MGS ONE Ultra Water Test is a highly sensitive single-use water test designed to detect Legionella Pneumophila serogroup 1.
It is suitable for teams that require fast, accurate and focused water testing from a single sample. With results available in 25 minutes, it supports rapid decision-making and can help reduce delays caused by waiting for laboratory results.
This option is particularly useful for marine and offshore water systems where a quick indication of potential serogroup 1 risk is required.
Best Suited For:
Single water sample testing where focused serogroup 1 detection is required.
The MGS ONE Multi Water Test is designed for quick, practical detection of Legionella Pneumophila serogroup 1 in water samples.
This option is suitable where testing is required at action levels of 1,000 CFU/L and above, providing a straightforward on-site solution for water system monitoring. It is simple to use and provides results in 25 minutes, making it suitable for marine and industrial teams that need fast, clear results.
Best Suited For:
Water testing where a fast serogroup 1 result is needed at standard action levels.
Key Benefits of the MGS ONE Range
MGS ONE Ultra Water Test
MGS ONE Ultra Industrial Kit
MGS ONE Multi Water Test
MGS ONE Multi Industrial Kit
Rapid On-Site Results
Provides clear results in 25 minutes, helping teams make faster operational decisions.
Simple and Accessible
Designed for straightforward use with minimal training, making it practical for onboard and site-based teams.
The MGS ONE Ultra Industrial Kit is designed for repeated testing from the same water outlet or system.
It offers a practical option for regular monitoring programmes and is particularly suited to environments where more sensitive detection is required. This makes it suitable for higher-risk systems, planned testing schedules, and marine or offshore operations that need consistent, repeatable testing capability.
The kit supports fast on-site testing and helps teams maintain better visibility over water system risk.
Repeated testing from fixed outlets, higher-sensitivity monitoring and planned water safety programmes.
The MGS ONE Multi Industrial Kit is designed for repeated testing of water outlets and standard plumbing connections.
It is a practical option for ongoing monitoring where regular testing is required, particularly across vessels, offshore facilities, commercial water systems and industrial environments. The kit supports on-site detection of Legionella Pneumophila serogroup 1 and provides results quickly, helping teams act without waiting for external laboratory reports.
Repeat testing, water outlet monitoring and routine Legionella checks across marine and industrial systems
Best Suited For:
Best Suited For:
Suitable for Marine and Offshore Use
A strong option for vessels, offshore operations, water systems, and remote environments where quick results are valuable.
Choosing the Right Range
Choose MGS PRO if you need:
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Broader detection across Legionella Pneumophila serogroups 1-15.
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Testing for both water and biofilm/surface areas.
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A more comprehensive view of Legionella risk.
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A suitable option for higher-risk or more complex environments.
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Support for detailed reporting and remedial action planning.
Choose MGS ONE if you need:
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Focused detection of Legionella Pneumophila serogroup 1.
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Fast and straightforward water testing.
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A practical solution for routine monitoring.
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Simple on-site testing with clear results.
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Options for single-use and repeated testing applications.
Built for Marine and Offshore Environments
The MGS Legionella Testing Range is particularly suited to marine and offshore operations, where fast access to reliable results can be essential.
Vessels and offshore sites often operate in remote environments where laboratory testing can create delays. On-site testing helps reduce waiting times, supports faster decision-making, and gives teams greater control over water safety management.
From crew accommodation and showers to tanks, pipework, water outlets, and broader vessel systems, the MGS range supports a proactive approach to Legionella risk management.
Fast. Practical. Reliable
The MGS Legionella Testing Range gives marine and offshore teams access to rapid testing solutions designed around safety, simplicity, and operational control.
With options for water testing, industrial kits, and swab testing, Marine Gas Supplies can help you choose the right solution for your vessel, site, or monitoring programme.
Speak to Marine Gas Supplies
Not sure which test is right for your operation?
Speak to Marine Gas Supplies for guidance on the MGS PRO and MGS ONE ranges. Our team can help you choose the most suitable testing option based on your vessel, water system, testing frequency and operational requirements.