 Welcome back. We're live at the Red River Valley Fair as it kicks off the first of three weekends here in West Fargo. If you're coming out to the fair, you'll want to stay hydrated in this summer heat, but it can be hard to know the best way to replenish what's lost when you sweat. WDAY news reporter Hunter Schwartz explains when to pick water and when you might want to consider an electrolyte drink.