Bob Ross® Alizarin Crimson Oil Paint
Bob Ross® Alizarin Crimson oil paint is another of the Bob Ross® colors that you'll use lots of. It is used for making beautiful sunsets, tinting the highlights on mountains, crafting beautiful seascapes, and in combination with other colors to create beautiful mixtures. You'll use quite a lot of the Alizarin Crimson. If you paint often, the 5 oz tube will be the way to go, otherwise, the 1.25 oz tube should last you quite a while.
If you cannot find a local retail outlet for Bob Ross® Alizarin Crimson then you might consider buying from a reputable, high-volume art supply dealer online. The normal list price for the 5 OZ tube of Alizarin Crimson is $17.49 and the 1.25 OZ is listed for $7.29 but you can buy it online for far less. The buy link below doesn't commit you to buying but will take you to the merchant website where you can see what is available.