Hydrex™ Biocides

Water Treatment Chemicals: Biocides

Hydrex™ offers a range of biocides for many applications.

  • Cooling systems
  • Legionella testing
  • Bio-fouling,
  • Drinking water grade in Food & Beverage industry,
  • Hot sanitary water
  • Sanitization of wastewater, before re-use.

The Hydrex™ 7000 series covers biocide products intended to meet industrial requirements:

  • Rapid-action or delayed-action products
  • Products with a broad spectrum of activity, or specifically targeted against a specific type of contaminant (moss, algae, bacteria, etc.)
  • Oxidant or non-oxidant products
  • Continuous-action or shock treatment products
  • OSG HYDREX (On-site Generation): New efficient technology used to generate biocides in-situ from 100% active safe precursors, to avoid water transportation. On demand biocide generation, to avoid long term storage and potential degradation.


All water treatment plants require chemicals for optimal operation. For further information on chemical water conditioning, contact our experts.


Comprehensive range of water treatment chemicals to suit all water treatment needs.

Hydrex™ Boiler Chemicals

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

Hydrex™ Chemicals for Membranes

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

Hydrex™ Chemicals for Maintenance

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

Hydrex™ Other Water Treatment Chemicals

Hydrex™ offers solutions for each specific requirement in terms of chemical water conditioning, including tailor-made formulations.
Sludge treatment

Hydrex™ Drinking Water Treatment Chemicals

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

Hydrex™ Cooling System Chemicals

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

Hydrex™ Effluent Treatment Chemicals

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

Hydrex™ Chemicals for Food & Beverage Industry

For Industrial Applications, Hydrex™ offers the 8000 series.

Hydrex™ Automated Cooling Water Treatment

HYDREXTM AquaVista is an automated control and monitoring system for the optimum dosing of cooling water chemicals in open and closed cooling circuits.