A 10lb. block will last about 2-3hours. If you can plug in your ice cream cart, you do not need dry ice. We use Dry ice to transport your cart to ensure everything arrives frozen, then you plug in to maintain the cart at frozen temperatures. Transport dry ice is no charge to you.
***ONLY PURCHASE IF YOU DO NOT HAVE ACCESS TO AN OUTLET(I.E. YOUR EVENT IS AT A PARK, OUTSIDE IN A REMOTE LOCATION, ETC)