The answer to 'how to clean skylight' is to regularly clean the skylight glass to maintain visibility and prevent buildup of dirt, debris, and grime. This involves using a mild soap and water solution, a soft cloth or sponge, and a squeegee to wipe down the skylight surface. Be sure to avoid using harsh chemicals or abrasive cleaners that could damage the skylight.
It's recommended to clean the skylight at least once or twice a year, or more frequently if it's in a high-traffic area or exposed to more dirt and debris. This will help keep the skylight looking clear and allow maximum natural light to enter the home.