Free barrels from car wash
Found this interesting post on the Frugal Gardening Forum:
Sounds exactly like the 55-gallon barrels that some folks are using for flow-thru worm systems.
Between free barrels from a car wash, free coffee grounds from Starbucks, and free old veggies from the health food store, we could have some very happy worms.
Here is a link that might be useful: Free rain-compost barrels from your local car wash!