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Summary: Find out about the different weather concerns for an iguana in this free video.
Nichole Bragg is the Reptile Expert for The Pet Kingdom in Cottonwood, AZ. She also has many reptiles of her own. Pet Kingdom is at 928-639-4283read more
"On behalf of Expert Village I'm Nicole and I'm here to tell you about Iguanas. Iguanas do require a certain level of humidity they like it around 60 or 70% humidity where it's dry it's not so easy to provide that kind of humidity. So especially in an open air cage like this so what we done to correct that is I purchased a cool air humidifier it humidifies the whole room and this aides in keeping the humidity at levels in which he needs in order to shed properly. His skin needs it to be able to be properly moisturize at all. This is a cool mist humidifier I just recently purchased to humidify this room and if you do purchase a humidifier for your reptiles. Make sure it is a cool air humidifier or cool mist humidifier something that doesn't use the vapors. Anything that is vapor is you don't really need all want is the humidity in the room so this would be a good solution if you have a dry atmosphere. The temperature in lighting does vary according to the season during the summer I don't need as high of wattage in bulbs to keep him warm. But during the winter I do have to upgrade to the higher wattage in bulbs and we also reduce the amount of hours the lights are on. To help produce the season I don't want him to believe that is just summer all the time. He needs to know that the seasons do change and it's very important to now upset his internal clock. We do need to be able to simulate the seasons during the winter hours we probably keep the lights on from 8 o'clock in the morning until 6-6:30 in the evening. During the summer of course his hours are extended the lights will come on around 7 in the morning and stay on till about 8 or 8:30. Depending on where you are located just the easiest way to do it is to do it according to the hours, the sun is out in area where you live. It's not going to upset your Iguana if you don't have the exact hours of the area in which he is native to."
eHow Article: Weather Concerns for an Iguana