QuickBayt® fly bait starts killing nuisance flies in as little as 60 s. QuickBayt® fly bait also kills flies resistant to organophosphates and carbamates. It's ready to use indoors or outdoors as scatter bait in bait stations or as a paint-on. QuickBayt® fly bait also contains two fly attractants to lure flies and Bitrex® a bitter substance to help prevent accidental ingestion by children and animals.