Northwest Smoked Salmon and Clam Chowder

Name: Northwest Smoked Salmon and Clam Chowder
Ingredients: 3/4 cup(s) flour; 1 cup(s) butter; 1/2 cup(s) chopped celery; 1/4 cup(s) chopped onion; 1 1/4 cup(s) clam juice; 1 tablespoon(s) fresh dill; 1 tablespoon(s) fresh basil; 1 tablespoon(s) fresh thyme (minced); dash(es) garlic power; 1/4 teaspoon(s) salt; 1/4 teaspoon(s) white pepper; 25 ounce(s) chopped clams with juice; 7 ounce(s) wild smoked salmon; 5 cup(s) water; 3/4 cup(s) hot half and half; 1/4 cup(s) hot heavy cream; 2 1/4 tablespoon(s) fresh parsley; 2 cup(s) yukon potatoes (peeled and cut into ¼-inch cubes)