Well here's the thing... it's a keggle at this point so if they did sell it as a "boneyard" keg (which they actually fix for a while so they can still use them), or if it was in an abandoned house, or wherever... I'm thinking the shine on this keg was actually what this post was about. It's not...
This recipe looks pretty good! The first posts were kind of fun to read because I was thinking, keep it a little longer and a little cooler..it will be great. We omit the Caramunich and go Carahell, Bo-Pils, Floor-malted Pils and a lager yeast for 6 weeks. Temp and CZ Saaz hops make a decent...
I've made versions of the Tart of Darkness and it's great.. however, if you are looking to do something interesting like this with what you have so far, it might behoove you to re-pitch the Roeselare blend to get a good culture going. I will warn you (or encourage you ;) ) the longer you leave...