According to the manufacturer, as long as the unopened Intice Gelanimo Ant Bait Stations are being stored properly, they can last up to a year.
Intice Gelanimo Ant Bait Stations will remain fresh for 30 plus days. It could be that the bait needs to be replaced. Keep in mind this bait does have a waxy texture over time.
Intice Gelanimo Ant Bait Stations are not labeled for crazy ants. Please take a moment to look over our Crazy Ant Control Guide for information on treating this pest.