CG Water Chemistry

An accomplished team, complete expertise.

With a wealth of experience and a range of around 3,000 basic and specialty chemicals, we have all the products on board that are needed for effective water chemistry. In addition, we take into account the specific requirements of customers and their water-carrying systems when designing and manufacturing our own EVC® water treatment products.



With our water chemistry services and products, we help our customers to meet or realise their goals with regard to their plant safety, cost-effectiveness and the environment.

Our professional sales force is available to provide personal advice to customers on site. It is supported professionally at all times by colleagues from the Application Technology department and the in-house water laboratory.

Areas of application:

  • Water treatment
  • Steam generation/hot water systems
  • Cooling water
  • Process water
  • Wastewater treatment
  • Dehydration of inorganic and organic sludges
  • Microbiological control of all types of water-carrying systems (including Legionella)
  • Acidic and alkaline special cleaners for water-carrying systems
  • Dosing systems for water treatment
  • Measurement and control systems for cooling circuits


By using our products, we help our customers to meet their goals in terms of plant safety, cost-effectiveness and the environment.

Comprehensive Product Portfolio

EVC® - Efficient Process Chemistry

We offer over 200 EVC products, which are used in a wide range of fields:

  • Wastewater:
    • Flocculation aids
    • Heavy metal precipitation
    • Neutralisation
  • Steam generator:
    • Oxygen binders
    • Descaling agents
    • Steam and condensate protection
  • Cooling water:
    • Hardness stabilisers
    • Corrosion inhibitors
    • Dispersing agents
    • Microbiological control:
      • Biocides
      • Biofilm removal
      • Legionella monitoring
    • Process water:
      • Stabilisers
      • Defoamers
      • Emulsion separation
      • Odour absorption
      • Cleaners:
        • Limescale and rust remover
        • Degreasing
        • Passivation
      • Drinking water:
        • Disinfection
        • Hygiene
      • Water treatment:
        • Regenerating salt
        • Acids and alkalis
        • Antiscalants

      We are here for you


      Consulting | Analysis | Optimisation
      System recording | Water analyses
      Hygiene audit | Risk analyses
      Lectures | Training | VDI 2047 Training Partners


      Training VDI 2047-2

      CG offers you licensed training courses in accordance with the VDI Guideline 2047 Part 2 on “Securing hygienically sound operation of evaporative cooling systems”. As we are an officially listed training partner of the VDI, you will receive a VDI certificate after passing the exam.

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