The problem with mercury vapor lamps with a broader spectrum is that they produc...

		dave_4_bagels on Dec 15, 2020 \| parent \| context \| favorite \| on: LED lights found to kill coronavirus: Global first... The problem with mercury vapor lamps with a broader spectrum is that they produce ozone gas. I've observed this first hand with a philips UV bulb I purchased. Even though this lamp supposedly has a "doping" agent to help block unwanted wavelengths that produce ozone.