Guidance for Legionella Control during Covid-19 pandemic

ESGLI Guidance for managing Legionella in building water systems during the COVID-19 pandemic In the UK Legionella control is subject to statutory control under the Health and Safety at Work etc Act 1974 and COSHH regulations. In other European countries regulation varies, but the European Society for Clinical Microbiology and Infectious Disease (ESCMID) maintains a group of…

11 Things you didn’t know about Feedwater – #9

Feedwater microbiological and chemistry water analysis offerings continue to grow.

Feedwater has proudly positioned itself as the all in one water treatment company carrying a wide gamut of products and services to cover the entirety of customer’s water treatment requirements. This has included having in-house chemistry and microbiological laboratories which process 10,000s of water samples for analysis every year.

Advice for Sampling & Analysis of Swimming & Spa Pools

Information obtained from regular monitoring can indicate:

whether or not water replacement and backwashing are being undertaken at sufficient frequency,
disinfectant levels are adequate,
show whether or not the operation of the water treatment plant is coping effectively with the bather load,
highlight any unnecessary hand dosing of water treatment chemicals,
provide information on the condition of the filter bed, and
provide advanced warning of failure of filter, pumps, valves etc.

Acid Cleaning a Heat Exchanger to Remove Scale

You can buy the chemicals mentioned in this procedure in our web shop by following their links. Before starting ensure that the Descaler is suitable for the system metallurgy. DESCALER ‘SF’ should NOT be used on stainless steel, aluminium or galvanised surfaces.  Iron / SteelCopper & BrassStainless SteelGalvanised SteelAluminium Descaler SFYesYesNoNoNo Descaling PowderYesYesYesNoNo Set up…

Coagulation and Flocculation – Process Fundamentals

Suspended matter in raw water supplies is removed by various methods to provide water suitable for domestic purposes and most industrial uses. The suspended matter can consist of large solids which settle by gravity alone without any external aids and ‘non-settleable’ material often colloidal in nature. Removal is generally by coagulation, flocculation and sedimentation. The…