I guess this really applies to all reptiles who are insectivorous, I just put it here because I only have a leopard gecko. Insect Substrate Mix 12 grain cereal rolled oats red bran Water Source Ingredients 2 Tablespoons of Agar Agar powder or Agar Agar flakes. (You can purchase Agar Agar at most health food stores.) 2 1/2 Cups of water. Directions Mix together and bring to a boil and boil approx 2 minutes, Pour liquid into a shallow cake pan and let set in refrigerator for 10-15 minutes. After it's set you can draw a knife through the gel and cut it into small pieces or Large blocks. Transfer the pieces into a plastic container, cover and store in the refrigerator. This gel will not disintegrate into a mound of water even when kept at high temperatures. You can also just use un-sweetened cooking gelatin. Gutload Mix Dry Mix 1 large box dry milk (8 quart size) 1 box rice baby cereal 8 oz. raw unsalted sunflower seeds 1 cup wheat germ 1/2 cup mixed unsalted nuts 1/4 cup coconut 1/16 cup brewer's yeast Wet Mix sweet potatoes carrots collard greens, watercress greens, other greens citrus fruit melon Directions You can just use whichever of these things you can get. Mix the wet and dry mix together in a food processor, blender, or coffee grinder. It should be a powder with some chunks. Hope this helps everyone who reads this. Let me know how it goes. I made up the insect substrate, the gutload mix came from www.drgecko.com and was edited, and I found out about the agar-agar stuff when my mom was using it for a recipe.