I set mine at 5 before and froze two kegs... Not good.
I keep it around 4 now and its usually around 40-45F.
Roaring Bull Brewing Co.
Currently Consuming (HB): Apfelwein on Tap Troegs Hopback on Tap; Craft Bottles
Fermenting/Conditioning: Up Next: Hop Trio American Wheat, Lake Walk Pale Ale
In Planning Stage: Farmhouse Saison and Something Oaked.