I have the cricket keeper. It works well. Easy to rinse out and clean. I line the bottom with a paper towel also. I have had up to 75 medium to large crickets in mine at a time. But they are gone within two weeks. I would recommend you rinse and clean it out at least every two weeks because they are dirty, stinky bugs. And to keep disease and feces to a minimum. I also toss all previous food and eggcrate/cardboard when I clean it. I like the tubes bc then I don't have to chase the crickets around trying to hand catch them for a feeding.