If you have a feed store around you you can buy those large plastic tubs that will hold a fermentor and leave plenty of room for water/ice....I think their capacity is around 15 gallons.
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