When Water Hardness Isn’t the Only Problem: Other Overlooked Parameters Affecting Your Process

Water Treatment

September 18, 2025

In industry, water hardness is often the first parameter analyzed to protect equipment and ensure process efficiency. However, water quality is not limited to calcium and magnesium content. Other critical, often overlooked parameters can impact the operation, safety, and profitability of your industrial systems.

pH: Key to Chemical Stability

Water pH determines its acidity or alkalinity and directly affects corrosion in pipes, boilers, and cooling systems. A pH outside the ideal range can accelerate metal wear, reduce chemical process efficiency, and impact the effectiveness of biocides and disinfectants.

Conductivity and TDS: Managing Salt Concentration

Electrical conductivity and Total Dissolved Solids (TDS) are essential indicators of salts and minerals in water. High values can cause scaling, interfere with reverse osmosis processes, and affect final product quality. Continuous monitoring allows adjustments in treatment and extends the life of membranes and equipment.

Residual Chlorine and Dissolved Oxygen: Preventing Biofouling and Corrosion

Residual chlorine ensures continuous water disinfection, while dissolved oxygen can cause corrosion in metal systems. Controlling these parameters is crucial to prevent biofouling, bacterial growth, and deterioration of pipes and valves.

Turbidity and Suspended Particles: Protecting Filters and Membranes

Turbidity indicates the presence of suspended particles, sediments, or organic matter that can clog ultrafiltration or reverse osmosis membranes. Proper pre-filtration systems and constant monitoring reduce failure risks and increase water treatment efficiency.

Conclusion

Although water hardness is an important parameter, overlooking other factors like pH, TDS, residual chlorine, dissolved oxygen, and turbidity can create serious issues in industrial processes. Implementing a comprehensive water analysis helps identify risks, optimize treatment, and protect equipment, ensuring efficiency, safety, and profitability. The key is understanding that each parameter directly affects operations and water quality, and taking proactive action before problems turn into significant losses.

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