About a teaspoon of table salt to less than an ounce of denatured alcohol.


About a teaspoon of Roach Away (boric acid)to less than an ounce of denatured alcohol.


I could have sworn I had some potassium iodide (KI) laying around the house but I can't find it. KI is said to be good to protect the thyroid from radiation fallout. It should be available in health food stores and military surplus/survivalist type stores.