Are you using the green poison blocks? I am putting a list together for when I have transportation again.I had a horrible problem with rats. I tried humane methods and homemade traps, but nothing worked. I closed up all the feeders at night, and even stopped using some extra feeders that I had because the rats would chow down on those during the day. I finally bought bait blocks and bait boxes. I've been using them for about 2 months now. I went from a dozen rats scurrying away to zero. I never see rats now. I load the bait boxes about once a week.