Smoke Candles - 3 minute

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3-Minute Smoke Candles

The 3-minute smoke candle produces 40,000 ft3 of smoke in two to three minutes.

This dense, white smoke can be useful in a various applications, such as HVAC leak detection or creating a cloud of cover during paintball. It is simple to use and can be disposed of normally after use.


Superior Signal 3-minute smoke candles have various applications. Often, they help test for leaks in plumbing, HVAC systems, sewer pipes or cold storage rooms. The candle must be set up in a room or next to an open sewer hole with a fan distributing the smoke. As the smoke travels through a space or sewer system, it follows the airflow and emanates from any uncovered areas, identifying leaks so they can be repaired. 

Many typical applications for smoke candle use include: 

  • Municipal sewer testing
  • Firefighter training
  • Plumbing leak detection
  • Heating, ventilating, and air conditioning (HVAC) testing
  • Chimney testing
  • Cold storage/ripening room leak detection
  • Truck and trailer leak detection
  • Airflow visualization
  • War reenactments
  • Paintball events
  • Special effects production


  • Output: 40,000 ft3 (white to gray)
  • Duration: 2-3 minutes
  • Dimensions: 1.5" by 5"
  • Sold by the dozen
  • Made in the USA

How to Use Smoke Candles

Smoke candles produce a large quantity of smoke beneficial for various applications, from leak detection to special effects. To use smoke candles correctly, first pick the proper size. In most cases, use 1 cubic foot of smoke for each cubic foot of volume in the area where you plan to use the candles. Start with less and add more smoke as necessary. The smoke produced can harm the eyes and skin, so ensure you use these devices in well-ventilated areas or with the proper protection. 

Buy Smoke Candles

Superior Signal candles are a nonexplosive and nonpyrotechnic solution that produces large quantities of smoke quickly. If bulk 3-minute smoke candles may be helpful for your operations, add them to your cart today, or include them in your quote. 

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  • 5
    Smoke Candles

    Posted by Charlie Lackj on May 10th 2016

    Candles smoke for a long time, much longer than 3 minutes it seems. An immense amount of smoke can be expected. A very good product.