Leave the vent closed if you are only using one tray. If you are using anything more than one tray be sure to leave the vent open during the dehydrating process.
Yes. Additional replacement trays are available for purchase online on the Replacement Parts page or by contacting our customer service department at 800.276.6276 M-F 8:30am-5:00pm PST. However, it is not recommended that more than five trays be used at one time while dehydrating.
This part is used for making fruit leather or meat jerky. Place the fruit leather sheet on the bottom tray before use. Find great jerky and leather recipes here.