The latest news from Waterline:

Bacteria found in another Malaysian bottled water brand

SINGAPORE: The presence of another consignment of bottled drinking water from a Malaysian manufacturer has been detected with the presence of Pseudomonas aeruginosa, a common environmental bacteria, here. In a circular addressed to bottled water importers, Singapore Food Agency (SFA) informed that through its recent surveillance, consignments of bottled drinking water from Malee Mineral Water… Read more »

Legionella Pneumophila: Infecting Amoeba, Infecting Macrophages – Poem

Legionella pneumophila. It’s the bringer of an atypical pneumonia Called Legionnaires’ disease. L. pneumophila infects a type of white blood cell, Grows inside, And then bursts out of the cell To infect others. Found naturally in freshwater, It often travels elsewhere: Hot water tanks, Hot tubs, And cooling towers. Yes, it really likes water. In… Read more »

Diving into water treatment strategies for swimming pools

With summer in full swing, many people are cooling off in swimming pools. However, some of the substances that are made when chlorine in the water reacts with compounds in human sweat, urine or dirt aren’t so refreshing. Now, researchers have compared the effectiveness of different water treatment processes in mitigating these so-called disinfection byproducts… Read more »

Using an Expert Witness in Legionella Cases

Expert witnesses aren’t used in all court cases, but they can be extremely useful in cases where an additional level of expert knowledge is required. In some instances, the evidence they give can help laypeople involved understand the facts of the case in far more detail than would otherwise be possible. READ FULL ARTICLE

Ibuprofen and Antibiotics Display Synergy Against Pseudomonas aeruginosa

Combinations of ibuprofen with aztreonam and ceftazidime display synergistic antimicrobial activity against drug-resistant Pseudomonas aeruginosa isolates in vitro, and efficacy of ceftazidime combined with ibuprofen was shown in vivo in a murine P aeruginosa pneumonia model, according to research presented at American Society of Microbiology (ASM) Microbe 2019 held from June 20-24, 2019 in San Francisco, California. Approximately… Read more »

Study Finds Ajoene Disrupts Biofilm in Chronic Wounds, and Enhances Antibiotic Effectiveness What is the background for this study?   Response: Biofilms are complex bacterial communities formed during the natural infection process as a protection mechanism and controlled by bacterial quorum sensing. These biofilm communities allow infections to spread by producing toxins that inhibit the body’s immune system, generating exopolysaccharide and changes in metabolic state that… Read more »

Mystery over source of potentially deadly Legionnaires’ disease after nine confirmed cases

There has been an unusual amount of cases reported in the area. A warning has been issued over the high number of confirmed Legionnaires’ disease cases in the Vale of Glamorgan over the last ten months. The source of the disease is unknown and there is no evidence that shows the nine cases are linked… Read more »

Legal monitors warn Clint border facility is neglecting migrant kids

EL PASO, Texas – Lawyers warn that kids are taking care of kids, and there’s inadequate food, water and sanitation for the 250 infants, children and teens at the Border Patrol station in Clint.  The bleak portrait emerged Thursday after a legal team interviewed 60 children at the facility near El Paso that has become… Read more »

Increase number of cases of Legionnaires’ disease in Vale of Glamorgan

Public Health Wales said it has been investigating a ‘higher than usual’ number of cases of Legionnaires’ disease in the Vale of Glamorgan over the past 10 months. Legionnaires’ disease is a lung infection that can be life-threatening. It cannot be passed from person to person but can be caught from inhaling water droplets containing… Read more »

Snail Slime May Lead to New CF Treatments Because of Its Antimicrobial Proteins

Small proteins with antimicrobial properties found in the mucus of the brown garden snail may open the door to the development of new treatments for patients with cystic fibrosis(CF) who often experience lung infections caused by the bacteria Pseudomonas aeruginosa, a study says. The findings of the study, “Identification and characterisation of anti-Pseudomonas aeruginosa proteins… Read more »

Diary Dates & Events


Grime Scene

Grime Scene

Click the gallery image above to view our Grime Scenes!

WMSoc. Training


Specialist training for all aspects of legionella & water treatment.


Product Spotlight

PrimeLab Photometer

The PrimeLab photometer hand-held Bluetooth® device is expandable and portable, developed for ultimate flexibility for use in a range of water systems. With only one light source and the JENCOLOR multi-spectral sensor used exclusively in the PrimeLab, it is possible to measure all water parameters where the water sample is visibly discoloured after addition of a reagent. Key Features of PrimeLab Photometer: The first and only PrimeLab photometer with just 1 LED / 1 JENCOLOR sensor, covering the 400 wavelength (380nm-780nm). More than a 100 different parameters available. Activation of add-on parameters is possible even after purchase. Powerful PC-software and app with free cloud service. Creating reports and dosage recommendations by just a click, using your individual water treatment chemicals.

HuwaSan TR50 Silver Stabilised Hydrogen Peroxide

HuwaSan TR50 is a commercial water disinfectant and biocide designed for shock disinfection or constant dosing. HuwaSan TR50 kills legionella bacteria and in addition removes biofilm. It is safer to use than chlorine as the disinfection breakdown products are oxygen and water. Independent testing shows that HuwaSan TR50 provides a very wide spectrum of biocidal activity against bacteria, viruses, spores, fungi, amoebae (such as amoeba acanthus which can act as a host to legionella bacteria) and algae. Use disinfectants safely. Always read the label and product information before use.

MC1+ Protector

Formulated to prevent wear and tear and the resulting debris, MC1+ stops magnetite and other deposits forming. As it does this, it protects the central heating, keeping the boiler working efficiently and helping to ensure the system lasts for longer.

MM2050 - PT100 Thermometer

Four/three/two wire measurement, Max/min functions, Hold function, Dual display, °C/°F/°A selectable, Simultaneous display of real time and max/min/hold measurement, Self calibrating.

MD610 Photometer

The MD610 gives you a mobile device in a modern design with the analytical features of a laboratory photometer. All important water analysis parameters from A(luminium) to Z(inc) are covered. Combined with the high precision of Lovibond® reagents, a reliable and quick analysis of water samples is guaranteed. Reagent tablets, powder reagents, liquid reagents, or cuvette tests are used depending on the method.

Armitage Shanks Markwik 21


(TB H2a) an integral thermostatic bib mixer tap, single long lever mixer. Single flow fixed horizontal nozzle, sequential operation. Sequential operation ensures both hot and cold supply are purged on each use, long lever gives precise control. Insulated technology keeps the ‘hot’ side of the mixer at a safe surface temperature.

AS Shower chrome

AS Shower chrome

Legionnaires‘ disease is usually spread by the breathing in of water vapour containing Legionella bacteria which is then deposited on the lungs. The bacteria thrives in water temperatures between 25 and 45°C and so showers by their very nature create an ideal environment for the bacteria to spread. The AS SHOWER chrome filter provides reliable and immediate protection against Legionella, removing bacteria at the point of use, allowing users to shower safely.