Did you know that BLACK SOOT on indoor fire logs can be dangerous, toxic and linked to CARBON MONOXIDE? 🔥 We found out the hard way when we started a cozy warm fire this week. The rooms quickly filled with black soot smoke, which is invisible to the eye but smells like a gas leak. We had to immediately turn off the fireplace, air out the house, followed by an informative visit by our local gas company expert. Unbeknown to us, some of our ceramic logs had received direct heat from the fl