Water tally: 7.8 ounces.
1. Preheat grill.
2. To prepare salsa, remove husks and stems from tomatillos. Place tomatillos on a grill rack coated with cooking spray. Grill 10 minutes or until slightly blackened on each side, turning occasionally. Cool completely; coarsely chop. Place tomatillos, onions, and next 5 ingredients (through garlic) in the bowl of a food processor. Pulse 7 times or until coarsely chopped.
3. To prepare tacos, thread shrimp evenly on 6 (10-inch) skewers. Place skewers on a grill rack coated with cooking spray. Grill 2 minutes or until shrimp are done, turning once. Remove shrimp from skewers, and place in a medium bowl. Add hot pepper sauce, chili powder, cumin, and 1/4 teaspoon salt; toss to coat.
4. Heat the tortillas on the grill 1 minute on each side. Top each tortilla with 1/4 cup cabbage and 2 tablespoons carrot. Divide shrimp mixture evenly among the tortillas; top each with 2 tablespoons salsa.