Garratt-Callahan is proud to be ISO 9001:2000 — your assurance that our products and services are of the highest quality.

Treatment Solutions

Every Garratt-Callahan program is a custom solution, designed for your facilities, equipment, and water treatment challenges.

For more information on our products and services, including case histories and customer success stories, select from the links below.

Boilers: In both steam and hot water boilers, controlling scale, corrosion, and sludge buildup is essential…>
Cooling: Our scale and corrosion inhibitors, dispersants, and bio-control agents ensure maximum performance and safety…>
Equipment: G-C Chem-Feed™ systems reduce drum handling and virtually eliminate contact between people and chemicals…>
Potable Water: Our drinking water treatment products are economical, effective at low concentrations, and EPA/NSF-compliant…>
Wastewater: Our wide range of specialty coagulants and flocculants meet the most demanding water and wastewater standards…>
Cleaning: We have the products and expertise to select just the right method for cleaning and passivating the metal surfaces in your sytems…>
Bioaugmentation: Our bacteria-based solutions offer a safety-tested “natural” alternative for cleaning and maintaining drains, grease traps,…>

Case Histories

A Budget-Minded Water Treatment Customer Learns What “Low-Cost” Means – and Comes Back to Garratt-Callahan

By Removing and Controlling Boiler Scale, a Custom Garratt-Callahan Program Cuts Fuel Costs by 20 Percent