Hydrate the coconut fiber brick in r/o or distilled water, then squeeze out any excess, until water does not run out. Place all the substrate in the container, then add the egg crates, making sure to alternate the way they are stacked. Many customers prefer to add springtails or isopods to the substrate to help keep the dubia colony clean.Food then needs to be added to the enclosure. I've found that using a paper plate to put food on keeps the substrate cleaner, until the roaches have bred and the population is more numerous. Feed Josh's Frogs Roach Rations along with fresh fruits and vegetables – table scraps are great! At Josh's Frogs, we've had the best luck with oranges and bananas. Dump in the roaches, and you're all set!
For best results, mist daily and aim for about 60% humidity and a temperature in the low-mid 80s. If you have a small child or cat at home, you may want to cut numerous small holes in the lid. Otherwise, the lid can be left off. You'll begin to see baby roaches quickly.