However when the temperature is cooler there tends to be more females than males hatching out, and vice versa when the temperature is warmer, but this is not always true. Which is good for those because a bio avtive substrate will create tiny bacteria and bugs that breakdown organic matter such as their poop and other of that sort. The unfertilized potting soil is one of the least expensive and effective bedding materials. If this is a grow out enclosure I would recommend waiting until the gecko is fully grown and in its final enclosure to go all out. The hide box also needs a substrate. Crested geckos should feel supported without having legs hanging off. Close. Some Crested Gecko keepers report seeing their Geckos lap water from a dish, so you can always provide a very shallow and sturdy water dish as well. 2 comments. 100% Upvoted. Next to feeding, the topic of substrates is the second most controversial subject in keeping crested geckos. About pottinh soil, it might work for a bio active substrate. If you have room (height) in the enclosure, add a drainage layer underneath so the plant roots have a reservoir of water without sitting in it. Habitat. Avoid using any bedding material which will allow the crickets to burrow and hide from the Gecko, especially wood chips. If you pick up your crested gecko, be sure you do not grab it. What kind of potting soil is safe for use in reptile habitats. Im planning on mixing 50/50 some type of organic soil and eco-earth. I'm going to have a hexagonal tank with most likely two green tree frogs and one gecko (unsure which one yet) and it will have a separate portion for fish but it will be closed off from the frogs and gecko but i was planning on getting a few plants but i didn't know what to use as far as soil, a friend suggested potting soil … Im really having a hard time finding organic topsoil (or potting soil) that does not have some type of manure in it! The correct temperature for your gecko. 8x8 honestly is extremely small. New comments cannot be posted and votes cannot be cast. If you have room (height) in the enclosure, add a drainage layer underneath so the plant roots have a reservoir of water without sitting in it. It is what most people in the hobby use. I use peat rather than potting soil anyways. Crested geckos are not very aggressive, but they will drop their tails a lot more often than a leopard gecko. Crested geckos can become very tame. Archived. Do not use anything that molds from moisture, or that can impale your gecko such as aspen, molch, sand, or paper towel. Crested geckos are not very aggressive, but they will drop their tails a lot more often than a leopard gecko. Lighting, Temperature & Humidity Use a full-spectrum fluorescent light to provide 10 to 12 hours of light each day. share. Posted by 4 years ago. Your crested gecko won’t like living its entire life in a bare and boring vivarium. There are certainly risks involved with substrate choices.Any type of particulate substrate (a bedding made of tiny pieces such as soil, sand, peat moss, coconut fiber, etc) can cause a health risk to your gecko …