Originally Posted by Hauntiholik
It depends on what kind of smoke detector you have (ionization or photoelectric).
A ionization smoke detector testes the chemical makeup of the air and the fog should not trigger it.
A photoelectric smoke detector uses a beam of light and the fog can break the beam and trigger the alarm.
I use the standard type detectors and where the fog was, I had to remove the battery. Which defeated the purpose of it. Eventually, I quit using the fog and put the battery back in. Safety was more important than a fog effect.