Hydrex™ Chemicals for Membranes

Water Treatment Chemicals for Membrane Protection and Cleaning

For water treatment equipment filtration membrane protection, Hydrex™ offers the 4000 series.

Hydrex™ 4000 series especially conceived for Reverse Osmosis, Nanofiltration and Ultrafiltration treatment plants. This range helps to reduce maintenance and operation costs, protect the expensive membrane elements and ensure smooth and efficient operation, through dechlorination, surface disinfection and/or membranes cleaning. It includes:

  • Pre-membrane dechlorination
  • Surface disinfection (organic substances, etc.)
  • Cleaning of membranes (carbonate, sulfates, metal oxides, etc.)


The Hydrex™ 4000 series covers chemicals suitable for filtration membrane protection:

  • Anti-scaling agents
  • Biocides
  • Chlorine removal
  • C. I. P. programs
  • Storage agentd


Most of Hydrex™ 4000 series chemicals are approved by major membrane suppliers. Par of them approved by NSF - and UL for Drinking water application.

Hydrex™ Other Water Treatment Chemicals

Hydrex™ offers solutions for each specific requirement in terms of chemical water conditioning, including tailor-made formulations.
Monitoring and Control Systems

Hydrex™ Drinking Water Treatment Chemicals

For drinking water product applications, Hydrex™ offers the 3000 series.

Hydrex™ Boiler Chemicals

For the treatment of boilers and heating applications, Hydrex™ offers the 1000 series.

Hydrex™ Effluent Treatment Chemicals

To optimize effluent treatments, Hydrex™ offers the 6000 series.

Hydrex™ Cooling System Chemicals

For the treatment of cooling systems, Hydrex™ offers the 2000 series.

Hydrex™ Chemicals for Maintenance

For maintenance and cleaning products, Hydrex™ offers the 5000 series.

Hydrex™ Biocides

Hydrex™ offers a range of biocides for many applications.

Hydrex™ Chemicals for Food & Beverage Industry

For Industrial Applications, Hydrex™ offers the 8000 series.


Comprehensive range of water treatment chemicals to suit all water treatment needs.
Monitoring and Control Systems