Roasters don't have very low settings, I have found the oven better for steeping. I have thought about mashing in a roaster using a temp controller to cycle it but I haven't found one large enough....the one I have would work great for 1 gallon experimental batches....which gives me an idea.....
Something is always fermenting....
"It's Bahl Hornin'"
Kegged: Sour Saison, Pale Ale, Aggie Ale, Firestone DBA, De Koninck Blonde
Bottled: Belgian Quad (Grand Reserve), Derangement (Belgian Dark Strong)
On Deck: Pliny the Younger