Do you know your final volume for certain? If it was for sure 5 gallons then you should end up right near 1038 based on my quick calcs. My guess is it was just not mixed well when you measured.
Liked the video and the out takes at the end!
Kegged: Waldo Lake Amber, Notty as Helles, Vanilla Porter, Sweet Stout (nitro), NB Surly Furious Clone, Petite Saison D'ete, Le Seigle Belge Saison, BM Cream of 3 Crops, Edworts Apfelwein
In Process: Braggot
Upcoming Brews: Surley Furious Clone, Uintah Wyld