The latest news from Waterline:

PWTAG Spa and Hot Tub Technical Note 47

PWTAG Technical Note 47 Spa and hot tub technical operation after Covid-19 shutdown This guidance is specifically for spa pools and hot tubs run either in a commercial or business setting. It is likely that spa pools and hot tubs will have been shut since the early weeks of Covid-19. Opening them up for use… Read more »

PALACE BUG TESTS Buckingham Palace is being tested for deadly Legionnaires’ disease after being left empty in lockdown

BUCKINGHAM Palace is being tested for deadly Legionnaires’ disease. Read the full article here

Checking the Validity of CE Marked PPE

In a recent article UKAS provided guidance on how to check that a certificate apparently provided by an accredited certification body was in fact valid. This was in response to an increase in reported fake certificates claiming certification against management system standards such as ISO 9001, ISO 14001 and ISO 45001, and in particular, during… Read more »

Don’t fall victim to hot tub hell

As eBay reports hot tub orders rose by 1,080% in April, and 276% year-on-year from 22 March to 6 June, a leading public health charity is warning of the dangers posed by contracting Legionnaires’ disease from hot tubs, spa baths and even garden hoses as the blazing summer heat continues. Read the full article here

Legionella found in water supply at Eastbourne campus

Legionella – a bacterial infection – has been found in water tanks at the Eastbourne campus of the University of Brighton. Read the full article here

2019 Kettering Fairmont custodian death also linked to Legionella

As Fairmont High School deals with recent positive tests for Legionella bacteria in its water, the school confirmed Thursday that a former Fairmont custodian died 14 months ago, also with links to Legionella. Read the full article here

Three Blaenau Gwent schools closed as legionella found in pipes

Three schools will remain closed after bacteria that can cause Legionnaires’ disease was found in pipes. Read the full article here

BSI – Free New guidance available to download – Safe working during the COVID-19 pandemic

BSI has developed a guidance document to assist organizations as they adjust the way they work, to protect workers and other people in their work This document is not a formal standard, but a set of guidelines, developed at pace, using an agile process. The first version of the guidelines has been reviewed by an… Read more »

University of Dundee – Biofilm activity survey

The data collected contains no personal details and will be used for research purposes. The findings of the survey will be published after collation and analysis.  All data collected in this survey will be stored securely by the University of Dundee for a period of 5-years. The content of the survey will be shared with collaborators based at Manchester Metropolitan University and the National… Read more »

Minimising the risk of legionella in Caravan & Holiday Parks

As people are becoming far more aware of, legionnaires’ disease is a potentially fatal form of pneumonia. It’s actually far more common than was firstly believed, with more and more cases being diagnosed. Read the full article here

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.

Huwa-San TR-50 Silver Stabilised Hydrogen Peroxide

Huwa-San TR-50 is a commercial water disinfectant and biocide designed for shock disinfection or constant dosing. Huwa-San TR-50 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 Huwa-San TR-50 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.