As mentioned earlier on this article many crested geckos keepers disagree wildly about whether cresties need UV light. However, in order to take good care of crested gecko, you need to give it the best living environment. For crested geckos, and other arboreal species housed in terrariums up to 18x18x24”, using the LED bulb in recommended as it does not emit heat. They can obtain these through good diet and supplementation in captivity. Crested geckos need only 4-6 hours per day of UVB. I don't have crested geckos, but uvb does help leopard geckos digestion and they are nocturnal. if the crested geckos arent nockturnal, they probably do. No leopard geckos do not need UVB / UV lighting. Crested geckos are a nocturnal species of gecko and do not require UVB lighting as a duirnal species of gecko would. Crested Geckos do not need UVB light to synthesise vitamin D3. Crested Geckos can swim but this is not natural behaviour for them. You actually don’t need to use any special light or heating. A habitat that is too hot will result in hiding geckos, not to mention discomfort for the reptiles. On the plus side, reptile experts point out that providing UV light gives their cresties control over how much they are exposed to, and therefore to the level of vitamin D in their bodies. They do not need to bask in the sun to generate “skin-manufactured” D3. The answer is, not really. You can save money by not buying one. However, people that live in cold climates or prefer to have real plants in their enclosure should pay attention to fixtures and lights. Can Crested Geckos Swim? Unless your crested gecko has health issues there's really no need for the UV lighting. Either way it can't hurt to have one. These lizards obtain the vitamin through the food that they eat. However, did you know that: To stay healthy and happy leos need a particular pattern of light and dark hours which mimic their natural habitat. Zoo Med has a full line of nano bulbs designed to work with these fixtures available in LED, UVB, heat lamps, and ceramic heat emitters. Hope this helped x :3 Leopard geckos do not need any UVB light. They are an arboreal species and are not considered aquatic or semi-aquatic. Leopard geckos are not demanding when it comes to lighting. Do Crested Geckos Need UVB? Please note that we do not recommend placing crested geckos near sunny windows, as this can generate heat very quickly and without warning. While a Crested Gecko does not need UVB light, they do need these important nutrients. Crested geckos tend to hide in trees, substrate or behind leaves to rest and avoid bright light. While the plants may benefit from the light, your gecko does not receive the beneficial UVB wavelengths through the pane of glass in the window. Do Crested Geckos Need UV Lights? Some gecko keepers argue that it can make the reptiles more active and that it is closer to nature when you keep them with UVB. So crested gecko becomes the ideal pet for beginners and those who do not have much time to take care of the pet. Crested geckos might receive some UVB light from the sun in their natural environment. No. One amazing thing about crested geckos is that they do well at room temperature. A crested gecko can still use one but it is not required. It will certainly not hurt your crested gecko. You may have even heard that because of their metabolism leos do not require any lights at all. This is because the Crested Gecko is a nocturnal species that lives in dense rainforests. (Unless you are doing a living Viv) By feeding a proper complete diet, you can avoid health issues such as MBD, but sometimes it's genetic, or they are more prone to it even with a proper diet, and no matter what you do it still happens, so all you can do is prevent it from getting worse by providing UV. How to choose a suitable and best crested gecko cage?