Many growers don’t realize that toxic chemicals shower their plants with every HPS bulb that explodes. In its vaporized form, Mercury is at its most dangerous state. As the public becomes more and more aware of this dirty little secret, growers will be compelled to change to healthier lighting solutions. Today, BIOS Icarus™LED grow lights are the healthiest lights available.
Below are links about dangers of mercury in lamps:
https://www.cleveland.com/business/index.ssf/2011/04/cfl_bulbs_the_us_epa_guideline.html
Image: A Single-Pole, Single-Throw (SPST) mercury switch on millimetre graph paper
Medvedev – CC BY-SA 3.0
Created: 27 October 2011