Up to 20 minutes, depending on what kind of produce you are cleaning, how much, and what combination of methods you choose. Rinsing a handful of grapes under running water in a slotted spoon and then patting them dry with a dish towel may take one minute, while separating the leaves off a whole head of napa cabbage, soaking for five minutes in water, rinsing, and spinning dry may take closer to 20 minutes.
