Cooling tower water treatment controllers are most commonly evaluated on what they can control — conductivity setpoints, biocide dosing schedules, pH management. What is less often discussed is what they...
Category Overview
Feedback-Driven Water Treatment for Recirculating Cooling Systems
Cooling towers concentrate minerals and contaminants through continuous evaporation, making scale, corrosion and biological growth a constant risk to chiller and condenser performance. Our systems replace guesswork and timer-based dosing with real-time sensor feedback, automatically adjusting blowdown and chemical dosing to match actual water conditions.
Configurations scale from a straightforward conductivity-controlled bleed-off through to fully instrumented, telemetry-connected systems built to compete with premium branded controllers — sized to match the budget and risk profile of each site.
Scalable by parameter — start with conductivity-based blowdown control and up to three chemical dosing pumps, then add pH and ORP monitoring as tighter control is needed
Entry to advanced controllers — Injecta Nexus single-parameter controllers with Olimpia or Athena dosing pumps for standard sites, stepping up to the multi-parameter Aquarius Ultima for larger or higher-risk systems
Full instrumentation option — Aquarius Ultima paired with Pyxis tagged polymer, PTSA, corrosion rate and turbidity sensors, with 4G, WiFi and MODBUS RS485 connectivity for remote monitoring
Built-in corrosion monitoring — every configuration can be fitted with a corrosion rack for ongoing metal-loss verification
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Cooling Tower System Types
Type 01
Systems & Solutions
Dosing & Monitoring for Chemical Water Treatment
Conductivity-controlled blowdown with up to three chemical dosing pumps as standard, scalable to pH and ORP monitoring. Ranges from the Injecta Nexus with Olimpia or Athena pumps through to the Aquarius Ultima with full Pyxis sensor instrumentation.
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Type 02
Systems & Solutions
Monitoring for Non-Chemical Water Treatment
For towers using non-chemical treatment methods, the Aquarius Ultima monitors conductivity, pH, ORP, turbidity and corrosion rate — with an optional algae sensor — to verify treatment performance without dosing any chemicals.
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Type 03
Systems & Solutions
Automatic Bleed-Off System
A conductivity controller paired with an automatic bleed-off valve — the simplest way to keep dissolved solids in check on budget-conscious sites that don't require chemical dosing.
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Latest Resources
Non-Chemical Water Treatment for Cooling Towers: A Practical Guide
A cooling tower does one job well: it removes heat from a process by evaporating water. But evaporation is not neutral. As water vapour leaves, everything dissolved in it stays...
Alvim vs. NCH vs. Solenis vs. Nalco: Comparing Biofilm and Microbial Activity Sensors
Most water treatment programs still find out about biofilm the same way: heat transfer drops, a filter clogs, or someone finally swabs a coupon and sends it to a lab....
PTSA, Tagged Polymer, and Fluorescein: Understanding Water Treatment Tracer Chemicals
Tracer chemicals are used in water treatment programmes to provide a measurable indicator that can be monitored independently of the treatment chemical itself. The tracer travels with the water, accumulates...
Why Wait Until Algae Is Visible? Early Chlorophyll-A Detection in Cooling Tower Water Treatment
Algae is one of the few cooling tower problems a water treatment provider doesn’t strictly need a sensor to find — green slime on the basin walls or a film...
Why Biofilm in a Cooling Tower Is a Fundamentally Different Problem Than Planktonic Bacteria
When cooling tower water treatment programmes fail to control Legionella or other microbial threats, the instinct is usually to dose more biocide. Sometimes this works. Often it does not —...