Decaffeinated coffee has some caffeine, but the 2 to 4 mg in an 8-ounce cup is a smidgen compared with the caffeinated version. The lethal dose of caffeine is about 10 grams, which is equivalent to the amount of caffeine in 100 cups of coffee. Caffeine gets absorbed in the stomach and small intestine and then distributed throughout the body, including the brain.
It isn't a lethal trap or poison, but a remarkably simple formula containing â¦ castor oil! In fact, in a Michigan State University study, a castor oil-based repellent was effective in 26 out of 27 tests. Product Details. Apply to lawn areas where mole activity is present.
Another method of mole control is to repel them. The most widely used repellent is castor oil â whether itâs in a commercial product such as Mole-Med or mixed as a homemade treatment. To make your own safe mole repellent at home, combine 6 ounces of castor oil and 2 tablespoons of liquid detergent in 1 gallon of water.