Internal Treatment

Contact Information

Global Nalco Locations
Local Sales Offices


Nalco Water
1601 W. Diehl Road
Naperville, IL 60563-1198
630-305-1000  Phone

Nalco Champion
11177 S. Stadium Drive
Sugar Land, TX 77478.
281-632-6500  Phone


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NexGuard® Technology

The NexGuard program is the most advanced boiler internal treatment chemistry in the industry today. Couple that with our state-of-the-art 3D TRASAR® technology to provide you the power of diagnostic, monitoring, feed and program control. Application of this innovative program results in reliable, safe, easy-to-use and cost-effective performance.

NexGuard technology outperforms all other internal treatment programs.

NexGuard technology outperforms precipitating phosphate programs by keeping most impurities soluble, reducing the amount of blowdown and the potential for deposits. NexGuard technology outperforms chelant programs by ensuring significantly lower corrosivity. NexGuard technology outperforms other all-polymer treatments by effectively handling hardness upsets, resisting degradation in the presence of oxygen, and continuing effectiveness during high heat flux and long retention time applications.