OttLite sells replacement bulbs through its online store, Products.OttlLite.com, and through a range of stores including Jo-Ann Fabric and Craft Stores, Michael's and Lowe's. Amazon.com also sells some OttLite bulbs online.
OttLite.com sells replacement bulbs online. When a customer clicks a bulb on the site's product page to find more information and make a purchase, the site offers links to the online sales page of other stores that also sell the bulb. The range of retailers includes craft stores and home stores as OttLite lamps appeal to craft hobbyists and professionals who need the brightness for close work as well as homeowners who need a strong desk light or floor lamp. Jo-Ann Fabric and Craft Stores and Michael's sell the bulbs online and through their stores across the United States as of 2015.