Quote Originally Posted by Clementine_3 View Post
Don't leave the crickets in there all the time, take them back out after about 1/2 hour or so. You can offer them a few times a day but they can stress the gecko out just running around in there and they will nibble on him as well. Crickets should not be left in the tank for a long time, doing so can cause more harm than good.
This is very true. Crickets can bite your gecko and cause him immense stress, like Clementine said. I've seen some nasty sores caused by crickets being perpetually housed with a leo.