Mixing boric acid powder or borax with water and sugar is the most common bait. Boric acid affects ants both externally (when in powder form; similar to diatomaceous earth) and internally (when ingested). Make a mixture of 1 cup water, 2 cups sugar, 2 tablespoons boric acid. 1  Wait for the ants to show up.
Report Abuse. Usually a dog who has black stool is not getting the right kind of food because they tend to go eatting from the wrong sources. I had a dog(short haired) collie who had this problem. I took a sample the day of the appointment(when he first had one) and brought it in.eport Abuse. Usually a dog who has black stool is not getting the right kind of food because they tend to go eatting from the wrong sources. I had a dog(short haired) collie who had this problem. I took a sample the day of the appointment(when he first had one) and brought it in.
The dog in this picture has somewhat black spots that are flush (on the same level) with its skin, with no signs of swelling, crusting, and fluid. They are likely the result of hyper-pigmentation from exposure to the sun. Below are a few more photos showing dogs with black spots on their skin and/or fur: