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CFL bulbs contain small amounts of mercury, an essential ingredient for CFL bulbs to produce light. While the amount of mercury inside a CFL’s glass tubing is only about 5 milligrams—roughly the amount that would cover the tip of a ballpoint pen—it is still essential to handle and recycle CFLs responsibly.
To make recycling CFL bulbs safe and simple for you, ComEd has partnered with ACE Hardware and The Home Depot. Just bring your used CFLs to any participating Ace Hardware or The Home Depot store near you.