Bests & Worsts Reviews from Amazon

This stuff works! Our warehouse in an industrial area is swarming with sugar ants. We have professional pest control and they couldn't get rid of them. Their treatment killed them by the tens of thousands, but there were just as many to replace them. They seemed to be after moisture as we were in a drought. I tried Maple syrup and borax which works well. Killed them by well, but still more kept coming. Ordered the stick in the ground bait traps by same company. Put them close to the hole under the foundation where I think the colony is. They emptied 4 traps in a day. They still kept coming. Ordered the DuPont gel bait. They didn't touch it. Tried some powder by the front door where they were swarming. Next day, they were gone. Not an ant in sight. Put powder around one side of the building (they were entering from two sides). Completely shut them down. Put some powder in our second (unused) warehouse where they were swarming. Checked 2 days later and traffic was reduced by 75% and dead ants everywhere. Put some around the warehouse rest room that we were literally filling a dust pan a day of dead ants. Next day, none were present. I found their main entry point to the colony and nuked that hole. Only a few survivors walking through it the next day. I have pretty much surrounded the perimeter of the building. I found maybe a start of a new colony in the parking lot and dusted that area. In conclusion, this stuff works. I am not sure if they are avoiding the area or have simply died off. Evidence kind of suggests both. I just walked though the 5000 sq ft. warehouse and saw on ant. Everything else (except the gel bait) killed them as well, but did nothing to keep them out or diminish them. I will keep vigilant and make sure that they don't come back with this trusty powder. The picture is what the floor of the bathroom looked like every morning. Update. Amazon listing says 1 pound, but I have ordered it twice now and received 2 pounds each time. Also, take the waterproof claim with a grain of salt. We had a decent rain last night and a lot of it washed away. Still keeping my 5 star rating however.