Water Treatment Programs: Cooling Water Treatment

Our innovative, effective cooling water treatment products and programs, when properly monitored through onboard testing and complemented by support from Drew Marine, minimize problems such as corrosion, deposits, mineral scale, and microbiological contamination from occurring in cooling water systems.


Protect Your Equipment and Reduce Maintenance Costs

Behind every Drew Marine program is a suite of technical support, industry experts, and years of extensive knowledge that aid you in protecting your ship’s assets and maintaining safe onboard practices. As a leader in the maritime industry, Drew Marine is committed to meeting your water treatment needs and identifying opportunities for your business to reduce maintenance, lessen environmental impact, and reduce overall operating costs. 

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Introducing H DREW O Drinking Water System Complete


This simple and affordable shipboard drinking water system ensures that your crew has access to all the clean drinking water they need while reducing the reliance on plastic water bottles that pollute our oceans.

Enhance the health of your crew members while reducing beverage costs and environmental impact!

Email Your Representative Today: hdrewo@drew-marine.com

Cooling Water Treatments

DREWGARD XTA is a cooling water treatment that provides excellent protection from corrosion, cavitation, and deposits in marine diesel engines. It is particularly suited for modern high-speed engines.

LIQUIDEWT  cooling water treatment is a corrosion inhibitor for protecting recirculating cooling and heating water systems. This treatment is an excellent treatment for diesel engine primary and secondary cooling water; it is also suited for use in chilled water systems.

MAXIGARD diesel engine water treatment prevents corrosion and mineral scale in recirculating cooling water systems for medium- and high-speed marine diesel engines. It is suitable for treating chilled water and many other recirculating systems.

PERFORMAX 345M corrosion inhibitor is a blend of unique organic compounds designed specifically for use in closed recirculating calcium chloride brine systems. The product provides multi-metal corrosion inhibition. 

Water Treatment Programs


Ballast & Wastewater Treatments

Drew Marine offers a world-class ballast water treatment program backed by superior, consistently-formulated products and onboard technical support.

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Boiler Water Treatment

Our boiler water treatment programs minimize water-related damage and issues to ensure maximum equipment efficiency and reduce operating costs.

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Fresh Water Treatment

Drew Marine’s treatments and specialty test kits for monitoring water quality keep freshwater production equipment at peak performance and enable production of high-quality feedwater and potable water.

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Water Treatment Testing

A Drew Marine protection program is grounded in marine appropriate chemistry that drives product selections and product combinations used. We offer a portfolio of best-in-class specialty test kits that allow engineers on board to consistently and easily monitor system conditions.

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Get More Information

Water Treatment programs from Drew Marine are supported by a global network of expert service engineers. Our dedicated worldwide support team of experts is here for any questions regarding services, programs or our products. Get in touch with a representative today. 

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