When ants invade your home, it is tempting to pull out the poisons. While effective, there are risks, especially if you have a curious dog. Fortunately, there are non-toxic ant killers and repellents that are dog-safe.
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Mix equal parts white vinegar with water in a spray bottle. Use on kitchen counters to repel ants. Use vinegar full-strength along the exterior foundation your house. It will also kill ants on contact.
This low-toxicity powder is available in hardware, home and grocery stores. Sprinkle it into cracks and crevices, behind appliances and around the foundation of your house. Boric acid can be mixed with equal parts sugar to make it more attractive to ants.
Made from the fossilized remains of algae, diatomaceous earth is useful against a wide variety of ants and other insect pests. Use food-grade diatomaceous earth rather than the type sold for swimming pool filters.
Make a strong sugar solution by mixing equal parts table sugar with boiling water. Soak a large-holed sponge in the solution and put it along ant trails. The ants will crawl inside the sponge. Put the ant-filled sponge in a bucket of soapy water and rinse the ants out.
Pyrethrum, the ingredient found in many flea control products, also kills ants. To increase the killing power, mix 1 tbsp. of rubbing alcohol into a commercial pyrethrum spray.
Tanglefoot(R), a sticky, semi-liquid sold in garden centers, will trap and kill ants. It can be applied to exterior surfaces or spread on thin, stiff paper and laid along ant paths. Tanglefoot(R) is non-toxic but will stick to curious dog noses and fur, so place them accordingly.