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How to Clean Up Fire Extinguisher Residue

Did you recently use a portable fire extinguisher to quench a small fire in your Maryland, DC, or Virginia business? You’re probably relieved to have the incident behind you, but before you can return to business as usual, you must clean up the fire extinguisher residue.

The recommended cleaning methods depend on the type of extinguisher you used. Follow this guide to get your building back to normal.

Clean Up Dry Chemical Fire Extinguisher Residue

fire extinguisher services

Dry chemical fire extinguishers use firefighting agents such as monoammonium phosphate, sodium bicarbonate, and potassium bicarbonate. These leave behind a corrosive powder, so it’s important to clean up dry chemical fire extinguisher residue quickly, especially if it has come in contact with metal surfaces.

  • Vacuum or sweep up loose debris.
  • Spray stuck-on residue with isopropyl alcohol diluted 50 percent with warm water. Let the solution sit for several minutes, and then wipe with a damp rag.
  • To neutralize sodium bicarbonate and potassium bicarbonate residue, apply a solution of 98 percent hot water and 2 percent vinegar. After several minutes, wipe the area with a damp rag.
  • To neutralize monoammonium phosphate residue, apply a baking soda and hot water paste. After several minutes, wipe the area with a damp rag.
  • Give the affected area a final wash with soap and water, and then rinse clean. Use fans to help the spot dry quickly.
  • If dishes, cookware, or clothing have dry chemical fire extinguisher residue on them, wash as usual in the dishwasher or washing machine.

Clean Up Class K Wet Chemical Fire Extinguisher Residue

Because of the corrosive nature of dry chemicals, Class K wet chemical extinguishers are recommended for commercial kitchens. When cooking oil and grease catch on fire, a potassium acetate-based, low-pH Class K extinguisher discharges a fine mist to cool cooking surfaces and extinguish the flames. Before you start cooking again, you need to clean up the residue.

  • To prep the area, shut off power to all cooking equipment and put on rubber gloves.
  • Wipe away foamy residue with a sponge or cloth dipped in hot, soapy water.
  • Rinse all surfaces that came in contact with wet chemicals and allow everything to dry completely before turning the power back on.

Clean Up Halotron Fire Extinguisher Residue

Some older fire extinguishers use Halon as the primary extinguishing agent. While these are no longer in production, you may still have a Halotron fire extinguisher that you recently used to douse a blaze. While Halon leaves behind no visible residue, it’s still important to clean areas that came in contact with this extinguishing agent to remove smoky smells from the fire and neutralize the surface.

  • Apply diluted degreaser to the affected area. Use a sponge for small spots or a spray bottle for larger surface areas.
  • Apply a neutral cleaner to remove any remaining residue.
  • Wipe away all cleaning products and allow the surface to dry.

No Cleanup Needed for Clean Agent Fire Extinguishers

Clean agent extinguishers are non-conductive and non-ozone depleting, making them ideal for putting out fires near computers and electronics that could be damaged by water or corrosive dry chemicals. Clean agent extinguishers are effective against Class A, B, and C fires.

Because clean agents dissipate harmlessly into the atmosphere, they leave no residue behind and require no cleanup.

Fire Protection Services in VA, MD & DC

If your business requires fire extinguisher services or beyond, Guardian Fire Protection is here for you. Contact us now to schedule services in Virginia, Maryland, or Washington, DC.

Category: Fire Extinguishers

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John does a great job.




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David does a great job.




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John does a great job.




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Professional




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Fire Pros respects our time and activities in the building and will schedule based on our availability. They are thorough and do their jobs professionally.


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Ok




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The company is great just the guy they sent was not someone we want back


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alway do a good job




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fire systems has always done a great job and are quick and know what they are doing.


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Jarrod from Fire Systems of Michigan serviced our fire extinguishers at our facility and I cannot be more satisfied. He was very kind and knowledgeable. He spent time to show me what to look for to keep our animals and staff safe in the case of a fire.


Appreciated the tech's initiative




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I was late getting into the building, but the tech was able to enter with another group and knew where everything was and conducted the inspection before I arrived. We appreciate his timely work and and letting me know there were no issues.


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Terrence  J.

Terrence J.

Quarterly Fire Sprinkler Inspection (2 Wet, 5 Sectional Systems)

Near Letica Dr, Rochester, MI 48307
Mark S.

Mark S.

Near Van Born Rd, Wayne, MI 48184
Mike R.

Mike R.

This quote is for two technicians to track out how the system wiring was ran in the building. After doing the investigating of the wiring, the tech's will remove the portion of the buildings that the customer is requesting be removed due to demo of 60% of the building. We will need to know where the cut off point of the fire alarm will be at so we can resistor off that portion of the site . Customer will supply Fire Pros with the cut off point on a blue print for the fire alarm . Customer will be responsible for contacting the AHJ about the changes to the fire alarm system. There will be stickers marking the openings as "Dead Circuits". Any live circuits that are not able to be removed the customer must know the locations and these locations must be labeled as " Live Fire Alarm Circuits" These Live circuits must be noted on the blue print for future . Customer will give Fire Pros a schedule for a work completion time frame. Each day we will touch base with our contact ,so there aw

Near Perry Ave, Big Rapids, MI 49307
David H.

David H.

Near Walkent Dr NW, Grand Rapids, MI 49544
Alex R.

Alex R.

Completed annual Fire Extinguisher inspection for 2022

Near Trumbull, Detroit, MI 48208
Tyler H.

Tyler H.

Annual Fire Alarm Inspection (35 devices) (Silent Knight 5208)

Near Taylor Ave N, Grand Rapids, MI 49503
Alex R.

Alex R.

Corrected Deficiencies from recent inspection

Near Schoolcraft, Detroit, MI 48223
Alex R.

Alex R.

Corrected Deficiencies from recent inspection

Near Schoolcraft, Detroit, MI 48223
Alex R.

Alex R.

Corrected Deficiencies from recent inspection

Near Schoolcraft, Detroit, MI 48223
William S.

William S.

Sprinkler Repair

Near Cascade Rd SE, Grand Rapids, MI 49546
Mark S.

Mark S.

Near Dobry Dr, Sterling Heights, MI 48314
Art L.

Art L.

Return 20 tanks pulled for service

Near Clyde Park Ave SW, Byron Center, MI 49315
David H.

David H.

Near Washington Ave, Grand Haven, MI 49417
Art L.

Art L.

Portable Extinguishers Repair

Near O'Malley Dr, Coopersville, MI 49404
Robert G.

Robert G.

Near Ecorse Rd, Romulus, MI 48174
David H.

David H.

Near Hagen Dr SE, Grand Rapids, MI 49548
Terrence  J.

Terrence J.

Annual Sprinkler System Inspection (3 domestic systems)

Near S Lafayette Ave, Royal Oak, MI 48067
David H.

David H.

Near Taylor Ave N, Grand Rapids, MI 49503
David H.

David H.

Near Enterprise St SE, Kentwood, MI 49508
Mike R.

Mike R.

Comm Fire- you have ONE HOUR Per customer, fire folks came this morning to fix a couple sensors by front entrance, after they left the pin pad in entry way is making a sounding alarm and says it is in "active4 supervisory tamper" mode. it will not silence

Near Perry Ave, Big Rapids, MI 49307
John  R.

John R.

Near Kendrick St SE, Grand Rapids, MI 49512
Terrence  J.

Terrence J.

4/22/22 SPecial order heads are in the shop in Novi DH 9/28/21 Dry pendants are 5 weeks out, DH Warranty to return to pull (2) heads that got lost for UL testing

Near Woodward Ave, Birmingham, MI 48009
Mike R.

Mike R.

This quote is for two technicians to track out how the system wiring was ran in the building. After doing the investigating of the wiring, the tech's will remove the portion of the buildings that the customer is requesting be removed due to demo of 60% of the building. We will need to know where the cut off point of the fire alarm will be at so we can resistor off that portion of the site . Customer will supply Fire Pros with the cut off point on a blue print for the fire alarm . Customer will be responsible for contacting the AHJ about the changes to the fire alarm system. There will be stickers marking the openings as "Dead Circuits". Any live circuits that are not able to be removed the customer must know the locations and these locations must be labeled as " Live Fire Alarm Circuits" These Live circuits must be noted on the blue print for future . Customer will give Fire Pros a schedule for a work completion time frame. Each day we will touch base with our contact ,so there aw

Near Perry Ave, Big Rapids, MI 49307
Jared J.

Jared J.

Portable Extinguishers Inspection

Near Eureka Rd, Taylor, MI 48180
Art L.

Art L.

Per Scott they have 8-9 Tanks that need to be tested Return 15 tanks pulled on 5/20 and pick up five more as well as a few fire extinguishers that also need service

Near Northland Dr NE, Grand Rapids, MI 49525