Combine the spice seeds and bay leaves in a piece of cheesecloth and tie to form sachet.
In a large pot combine water, salt, pepper, vinegar, lemons, cayenne pepper, onion, celery and spice sachet and bring to a boil. Allow mixture to boil for 20 minutes. Add crawfish and cook for 5 minutes. Remove from heat, cover and let stand for 15 minutes. Drain and serve with hot sauce.
Boiling liquid may be cooled, refrigerated, and reused once.
c. Michael Lomonaco 1998, all rights reserved