I've never done a Mr. Beer kit so maybe they're calling this something it's not, but didn't you say this was a lager? Lagers shouldn't be fermented at room temp. They should be fermented cold.
Check out my blog!
On Tap: "Crimson King" Imperial Red IPA with cocoa, Bourbon Barrel Sour Stout, Cherry Wheat, Hop Demon VI IPA
Primary 1: Shred's Dry Hopped Amber
Primary 2: Empty
Primary 3: Empty
Primary 4: Ginger-Peach Melomel
Primary 5: Empty
Secondary 1: Nirvana on Cedar (a Utopias inspired brew)
Secondary 2: Nirvana on Oak (a Utopias inspired brew)