[header] How to use a vertical water smoker [title] Fill the water bowl in the smoker with water. [step] You can also use beer, wine, seasoned water, and other liquids to smoke your food. Open the access door on the front of your smoker and pull out the water bowl. 
The water bowl is located above the charcoal tray and below the food chamber at the top. Fill the bowl with your desired liquid and then put it back in the smoker.