The tubes in my fluorescent light are graying near the ends. Does this mean they are wearing out?

Working tubes usually have a gray tinge on the ends, but dark gray or black is a sign that the tube is failing.

Check your state and local codes before starting any project. Follow all safety precautions. Information in this document has been furnished by the North American Retail Hardware Association (NRHA) and associated contributors. Every effort has been made to ensure accuracy and safety. Neither NRHA, any contributor nor the retailer can be held responsible for damages or injuries resulting from the use of the information in this document.