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6121 Description


Liquid Detergent 6121

A drum of liquid metal cleaning silicate based detergent.

A liquid version of our powdered 6120.  Click here for a detailed product description.


All prices exclude shipping

Description Wt./lbs. Price/gal.

Container Price

5 gal. Pail (3 Pail Minimum) 55   Call for Price  
15 gal. Drum 165   Call for Price  
30 gal. Drum 330   Call for Price  
55 gal. Drum 605   Call for Price  

Liquid Detergent 6121 is a liquid alkaline cleaner designed to clean new or recently reactivated heating and cooling systems. It will not remove rust or mill scale, but will lift drawing, rolling and cutting oils as well as other dust, dirt and soil accumulations. Formula 6121, when used as directed, is safe on all materials of construction normally found in these systems.


Physical State: Liquid
Color: Colorless
Density: 10.93 lbs./gallon
pH: 13.5


Boiler & Hot Water Systems: Use Liquid Detergent 6121 at a rate of 3 to 9 ounces per gallon of water in the system. Fire the boiler and heat to 180 F. If possible, flood the entire system including steam and condensate lines. Recirculate this solution through all piping for a minimum of several hours. Drain the system, fill it again with water and again recirculate it, followed by draining. The system should now be clean and ready for final introduction of water and the boiler water chemical treatment.

Cooling Systems: Use Liquid Detergent 6121 at a rate of 3 to 9 ounces per gallon of water in a completely filled system. Recirculate the system for a minimum of several hours. The system can be placed in service during cleaning to warm the water, but it must be taken off-line while draining and flushing. Drain the system, being sure that floating oils in sumps and tanks are flushed out. Fill the system with fresh water and drain again. Finally, fill the cooling system with water and treat with appropriate scale and corrosion inhibitor and microbiocide.


Liquid Detergent 6121 is an alkaline material. Do not take internally. Avoid contact with skin and eyes. Should contact occur, flush immediately with large amounts of water. If any discomfort persists, seek medical attention. Read relevant Material Safety Data Sheet before handling this product.


Liquid Detergent 6121 is packaged in 55, 30, 15 and 5 gallon non-returnable containers.

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