Leo writes
Advion Roach Bait Gel will continue to attract roaches when its dry. It should be reapplied once every two weeks. You will want to first clean up previous bait placements and then apply the bait. Please take a few moments to read over our article How to Get Rid of Roaches to learn how to implement a successful roach control program.
Answer last updated on: 05/14/2016