Place The Roast Into A Slow Cooker, And Season With Italian Dressing Mix. Pour In The Water. Cover, And Cook On High For 6 To 7 Hours. During The Last Hour, Shred The Meat With Two Forks - If It Does Not Shred Easily, Cook Longer. Add The Peppers, And As Much Of The Juice As You Like For Additional Flavor. Serve On Buns.