Are devils worth 7 blood each?

[Graeme Dice]

Huzurdaddi said:
Uhm if you are alchemizing ( note: soul contracts give essentially blood that makes this a totally valid comparison ) and you have no hammers then it takes *20* turns for a clam to pay for itself.

Clams actually take only 5 turns to pay for themselves with no hammer if you'd rather have astral pearls, or 10 turns if you want something other than than astral or water. It's only 20 turns if you want to convert them back into water gems to make more clams.