Sure, I can help you out with this. I have never used a

heater in their water. When my babies were little and

it gets cold here, I used a red bulb of appropriate wattage

over their tank shining down into the water itself, not

the basking area. This heated the water enough to keep

them warm through the night until their regular lights come

on. I use a true red bulb (not a novelty light) which in

my research I have found does not interfer with their rest.

Buy the ones offered for reptiles in the petstores. My

baby I currently have shares a room with one of my iguanas

so I run a heater that keeps a constant room temp of

no lower than 76 degrees.



A good way to tell if the bulb is of appropriate wattage

is to check the water temp first thing in the morning. One

word of caution. I wouldn't let the room temp drop too low

as they are breathing room air and cold temps even in warm

water can lead to respiratory problems.



Hope this helps Had to share this pic of one of my rescued

iguanas. He is such a ham!

Linda

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