Miles SinclairBy Miles Sinclair

Updated November 2026

To put a charcoal grill out, you need to starve the fire of oxygen, let the coals burn down to ash, and then dispose of that ash only after it has cooled completely. Done correctly, the process takes roughly one to two hours and leaves no risk of flare-ups or embers escaping. Shortcuts like dousing with water or closing the lid too early are where most people get into trouble.

Step 1: Stop Adding Fuel and Close the Vents

Once you’ve finished cooking, stop adding charcoal. Close the bottom vent almost all the way and close the top vent or lid as well. Cutting airflow chokes the fire and drops the temperature steadily. Leave the lid cracked slightly if you need to watch the temperature, but never leave the vents fully open with no one nearby.

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Step 2: Let the Coals Burn Down Naturally

Charcoal left alone with restricted airflow will burn out on its own, usually within 60 to 90 minutes for a standard load. The coals will turn from bright orange to gray ash. Wait until you see no visible glowing embers before moving on. This is the slow, safe method, and it’s what most experienced pitmasters rely on.

Step 3: Use a Quicker Method If You Need One

If you need the grill cleared sooner, you have a few options, each with tradeoffs:

  • Remove unburned coals: Use long-handled tongs to lift the remaining charcoal into a metal container, then close the lid. Less fuel left means faster cooling.
  • Smother the fire: Close all vents completely and leave the lid on. This works, but the grill and ash will stay hot for longer.
  • Water on coals: Some manuals mention it, but water causes steam burns, can crack cast iron and kettle bowls, and leaves a soggy, messy ash pile. Avoid it unless the grill’s manufacturer specifically recommends it.

Step 4: Handle Ash Safely

Ash can hold heat for 24 to 48 hours. Once the grill feels cool to the touch from the outside, empty the ash catcher or scrape the bowl into a metal ash can with a tight-fitting lid. Keep that can away from wooden decks, garages, dry grass and anything else that can ignite. Never put ash into a plastic trash bag or bin. For a deeper look, How to Put Airlock on Fermenter: A Step-by-Step Guide for Homebrewers covers this in detail.

Checklist: What You Need

  1. Long-handled tongs or a grill scraper
  2. A metal ash can with a lid
  3. A heat-resistant glove
  4. A fire extinguisher or bucket of sand nearby, as a precaution

Common Mistakes

  • Dumping hot ash into a plastic or paper bag.
  • Assuming ash is cold because the top looks gray.
  • Leaving the grill on a wooden deck or near siding while it cools.
  • Pouring water on a hot grill, which can warp metal and create a dangerous steam burst.
  • Forgetting that a closed grill still holds heat for hours.
  • Long-handled grill tongs: They keep your hands clear of heat when you remove unburned coals. View on Amazon
  • Metal ash can with lid: A dedicated metal container keeps hot ash contained until it’s fully cold. View on Amazon
  • Heat-resistant grill gloves: They protect your hands when moving grates and lids during cooldown. View on Amazon

FAQ

How do you put out charcoal grill coals quickly?

Remove the unburned coals with tongs and place them in a metal container, then close the vents and lid. This reduces the fuel left and speeds cooling, but the ash will still take hours to become safe.

Can I use water to put out a charcoal grill?

It’s generally discouraged. Water can cause steam burns, damage the grill and make ash messy, so use it only if the manufacturer specifically allows it.

How long should I wait before throwing away charcoal ash?

Wait at least 24 hours, and longer if possible, until the ash is cold to the touch. Store it in a metal container with a tight lid until disposal.

Conclusion

Closing the vents and letting the coals burn down is the safest way to put a charcoal grill out. Remove leftover coals if you need to speed things up, and avoid water unless the manufacturer approves it. Give the ash plenty of time to cool before you dispose of it, and keep it well away from anything flammable.

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Miles Sinclair

About Miles Sinclair

Miles Sinclair is part of our editorial team and reviews and edits our BBQ & grilling guides, checking product details against manufacturer specifications and owner feedback.