Cooling Water Treatment. Powered by Nature.
Sustainable Cooling Water Treatment
With measurably lower operating costs
blue activity replaces toxic biocides in the treatment of cooling water for open recirculating cooling systems with functional microorganisms. At the same time, conventional petrochemical additives are substituted with innovative biopolymer-based alternatives with improved performance profiles.
The result: more efficient cooling systems, lower water and energy consumption, and significantly reduced operating costs.
-40%*
Lower water costs
-32%*
Direct OPEX savings
+29%*
Performance Improvement
Integration into existing cooling systems – without CAPEX and without structural modifications.
* Based on current customer results.
Industrial cooling water as a strategic lever
Cooling processes in industry are among the largest consumers of water and are often associated with high chemical usage, energy consumption, and maintenance costs.
blue activity transforms cooling water treatment in open recirculating cooling systems through the use of functional microorganisms, biopolymer-based additives, and digital monitoring.
The result is a stable, transparent, and cost-efficient operation of existing cooling systems.
Why companies choose
blue activity
Lower operating costs
Reduced chemical consumption, lower water usage, and more stable system conditions significantly reduce the total cost of ownership.
High system availability
A strong natural cleaning effect stabilizes the microbiological balance, reduces microbiologically influenced corrosion (MIC), and helps prevent unplanned downtime.
Sustainable water treatment
Toxic biocides are fully replaced by natural biological processes.
Full transparency through monitoring
Real-time data provides clear KPIs for system performance, efficiency, and sustainability.
360° Solution
More efficiency. Less effort. Zero investment risk.
Blue Activity delivers complete cooling water treatment as a running service - biological, biocide-free and measurably effective. Our customers save up to 40% on water costs, 28% on energy costs and 32% on direct OPEX - while achieving a performance improvement of up to +29% - without a single euro of capex.
24/7 real-time monitoring of all critical parameters - biofilm, scaling, corrosion, fill levels - for maximum operational reliability and continuous system optimisation. Our experts visit regularly on-site.
A partner that thinks ahead. True 360° care from a single source.
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More InformationOur customers
We are already trusted by several renowned customers from industry – primarily from the chemical, steel, energy, glass and automotive sectors, which we successfully support with our natural water treatment for cooling tower operation:
BASF
Euroglas
Hager Group
SALZGITTER
MAINOVA
MERCEDES-BENZ
BRASKEM
VANTAGE LEUNA
Key industries
We are already trusted by several renowned customers from industry – primarily from the chemical, steel, energy, glass and automotive sectors, which we successfully support with our natural water treatment for cooling tower operation:
Steel
Chemical Industry
Energy
Customer case: Chemical Industry
Substantial enhancement of steam turbine performance
Through the use of microbiological cooling water treatment, the efficiency of the steam turbine was significantly increased and plant operation sustainably stabilized.
Microorganisms with maximum impact
* Based on current customer results
Positive contribution to CSRD / ESRS requirements
Replacing toxic biocides is a key lever for sustainable industrial processes
BA-SYNBIOREX®
- 100% natural alternative to biocides
- based on functional mircoorganisms for high natural cleaning effect of industrial cooling systems
BA-CorProtect®
- Innovative additive for hardness stabilization / corrosion protection
- based on biopolymers, with significantly reduced p-values
BA-Cycle+®
- Online monitoring (RM&D – Industry Standard 4.0)
- recording and monitoring of relevant KPIs
- remote maintenance to ensure efficient and safe site operation
Legionella Rapid Test
- On-site detection of Legionella values
- including VBNC’s, within 25 minutes
- no laboratory required
Important Fact
By integrating real-time data, we create a stable and transparent operating environment, the foundation for sustainable growth at our customers’ sites
News
17. March 2026
StartingUp: blue activity secures €8.5 million for biocide-free cooling water treatment
12. September 2025
Industrie Anzeiger: How a start-up keeps cooling towers clean without chemicals
26. May 2025
blechnet: Cooling water treatment using microbiology instead of hazardous chemicals
More News