Slow Cooker Barbequed Beef Ribs

Ingredients:
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
Instructions :

1.Mix water, ketchup, tomato paste, brown sugar, vinegar, mustard, and salt in a slow cooker, stirring to dissolve brown sugar and salt.
2.Place short ribs into the sauce and stir to coat. Set cooker on Low, cover, and cook for 8 hours.