Dropped an egg on the kitchen floor?. Spilled a bowl of cereal and milk?. No need to worry. What is HydroVac. Your HydroVac includes a Starter Bottle. When you’ve finished cleaning, simply place your HydroVac on the dock and run Self-Cleaning mode – the brush-roll, floorhead and interior tubing will be thoroughly washed and dried in just minutes, ready for the next use.