I made use of permethrin rather than elector PSP or Diatomaceous earth. From what I’ve heard it’s the better route. Permethrin doesn’t quit Functioning when it gets wet (like diatomaceous earth) and comes in powder form (in contrast to elector PSP). I found everything I needed at Tractor Supply Co. https://chickendashgame04680.blogsumer.com/35457484/the-chicken-dash-game-diaries