High Voltage Beverages added Blue Melon Shock to its Volt line of carbonated soft drinks. Blue Melon Shock joins Original Citrus Shock, Diet Citrus Shock, Tropical Mango Shock, Pineapple Shock and Fruit Punch Shock. The product contains caffeine, taurine, ginseng and guarana. Blue Melon Shock is available in 20-ounce bottles.