Ed of all trades
Elite Member
To get rid of rats you need to try and eliminate all of their food sources... except the poison your putting out... I also like those glue boards you can put them around the perimeter of your building but if you have an infestation that could get expensive.
I like Ed's idea though.. Ed How much oil about half full?.. guessing that keeps them from just jumping back out of the bucket.
You only need enough to keep the rats from jumping back out. 4 in would be plenty. Ed