The treated areas should be cleaned prior to application of Demon Max. It is recommended that you treat indoor cracks and crevices including the baseboards, behind the refrigerator etc. We do NOT recommend applying to the counter tops or prep surface areas with the product. Those areas should be cleaned with regular household products not insecticides. We recommend that you clean out cabinets and drawers and apply a professional roach bait gel to the crevices. For more information on treating roaches, please click on the links below.
Demon Max is labeled for termites but for a longer protection and control, you should apply a non-repellent liquid concentrate such as Termidor SC, Taurus SC or Dominion 2L. Below I have included a termite treatment article that will be very helpful if you plan to treat them yourself.
Demon will last up to 30 days on outside surfaces depending on the rain and sun exposure but is not actually labeled for grasshoppers.
Talstar P would be a good choice for grasshopper control and will last up to 30 days as well. You should start applications before the grasshoppers have a chance to hatch for best control. You should thoroughly spray your lawn and water in the application with about a .25 in of water to help the product get past the thatch layer and into the soil where grass hoppers actually develop. If you already have grasshoppers you can use Talstar P at the highest usage rate of 1 oz of product per 1 gallon of water for the quickest knockdown. Use sufficient amounts of water to help the product get to the soil layers.