There's a bait shop (of all places) in Athens that sells the blue 55gal ones like that for like $20-$25 when I got mine about a year ago. Had some kind of food grade cooking oil in em at some point though.
Aww. you are right George. I mis-read it as made of recycled plastic food grade containers. But the add does say new...and food grade should not absorb or leach. So they should be good. I might pick up one for SW mixing.