Something worth mentioning in the video description:
If the ski's decals are in bad shape it can be very frustrating to remove them with a heat gun. In those situations I have found the 3m pinstripe removal wheel can be a life saver.
Off topic, but a suggestion for a future video would be recovering a seat with new vinyl
Also you are better off using the marine line of Meguiar's polishes as they are specifically for gelcoat and have more oils and lubricants for the dry old gelcoat.