Fill a large stockpot with 4 quarts water. Squeeze lemons into water; add rinds. Add bay leaves, seasoning, garlic, onions, chile, 1 1/2 teaspoons salt, and thyme. Bring to a boil. Reduce heat, and simmer 10 minutes.
Add potatoes; simmer 12 minutes. Add corn; simmer 5 minutes. Add shrimp; cover, and simmer until opaque, 3 to 4 minutes. Transfer ingredients to parchment paper or a bowl. Sprinkle with salt; serve with lemon and hot sauce.