Roach Extermination Formular
shortening or bacon drippings
enough water to form a soft dough
Mix the shortening and sugar together until they form a creamy mixture.Mix together the Boric acid ,flour,and onion and add to the sugar and shotening.
Blend well,then add water to form a soft dough.Shape the mixture into small balls or just drop a small amount of it into a opened plastic sandwich bag.
The mixture will stay soft soft for a longer piriod of time if placed in bags.Where they harden it's time to replace them.