How to fix a fluorescent light that flickers or won't light: Fluorescent Light Repairs - fix flickering, dim, humming, buzzing, or dead fluorescent lights
SOLVED: Fluorescent lights dim and flashing - Fluorescent light - iFixit
SYLVANIA 74283 Dim Smart+ LED Light Bulb, A19 Dimmable White, 60W Equivalent, Works with SmartThings and Alexa, 10 Year Series, Dimmable Soft (packaging may vary) - - Amazon.com