Thai Shrimp Coconut Soup

2 (14 ounce) cans coconut milk 5 cups water 1 lb shrimp (raw with tails on) 3 stalks lemongrass , thick sliced and bruised 3 kaffir lime leaves 2 tablespoons[...]

1 (13 1/2 ounce) can coconut milk 1/2 teaspoon Thai red curry paste 1 garlic clove , finely chopped 1 tablespoon finely grated fresh ginger 3 tablespoons nam[...]