Slow Cooker Barbequed Beef Ribs

Tender and delicious BBQ beef ribs made with the convenience of a slow cooker.


1 cup water
1 cup ketchup
1 (6 ounce) can tomato paste
3/4 cup brown sugar
1/2 cup vinegar
2 tablespoons prepared mustard
1 tablespoon salt
2 pounds beef back ribs