Corn and Cod Chowder

Name: Corn and Cod Chowder
Ingredients: 1/4 pound sliced bacon; 1 tablespoon butter; 2 onions, chopped; 2 cups water; 1 cup bottled clam juice; 3/4 pound boiling potatoes (about 2), peeled and cut into 3/4-inch chunks; 1 rib celery, chopped; 1/4 teaspoon dried red pepper flakes; 1 1/4 teaspoons kosher salt; 2 cups fresh (cut from about 3 ears) or frozen corn kernels; 1 cup milk; 1 cup heavy cream; 1 1/2 pounds cod fillets, cut into 1 1/2-inch chunks; 1/4 teaspoon freshly ground black pepper