5 cups refrigerated or canned cranberry-raspberry juice blend
2/3 cup grenadine
5 cups chilled lemon-flavor mineral water or lemon-lime soda (see notes)
1 lemon (about 5 oz.), rinsed and thinly sliced (ends discarded)
In a 3- to 3 1/2-quart glass pitcher, mix juice blend and grenadine. Pour in mineral water and add lemon slices. Pour into tall, ice-filled glasses (at least 12 oz.).