Marinated Shrimp - Tailgate Guru

Ingredients

• 2 lbs medium shrimp, unpeeled, fresh
• 6 cups salted water
• 1/2 cup sugar
• 1 1/2 cups white wine vinegar
• 1 cup vegetable oil
• 1/4 cup capers
• 1/2-1 tsp salt
• 1 1/2 tsp celery salt
• 1 medium onion, cut into rings