There is an incredible amount of imidacloprid in the water. (treehugger.com)
Products that contain imidacloprid with permethrin (K - 9 Advantix, for dogs only) or spinosad (Comfortis for dogs) also are available. (thesprucepets.com)
Manufacturers of flea treatments, including Bayer Pet, are actually using a synthetic nicotine called imidacloprid in their highly effective treatments. (wagwalking.com)