BLUE TONGUE SKINKS

Hi. I’ve had Stevie my halmahera for a year or so now and the whole time I’ve struggled to maintain the 80 or so percent humidity I know he requires. My question is that the humidity is 80-85% throughout the 12 hours his lights are off at night and between 50-65% in the daytime. Is this sufficient for a halmahera to live or does it need to be 80-85% 24/7 not just at night time. Also does anybody have any ideas on how to increase temperature as in gets very chilly here in Liverpool in the winter plus our central heating is playing up so his tank in the day is around 30°c and I know it needs to be around 36°c and it’s around 17-18°c in the evenings. Any help on this would be appreciated as I would like to get these worries sorted.
Thanks

Where are you measuring the humidity at? It is common for the humidity to be drastically lower under the light since the heat bulb dries out any water. Best thing you can do is create a humid hide filled with damp moss if you're having trouble. Here's a simple design of one I built from plywood for my Monkey Tail Skinks that is super effective. As for the heat, close off the ventilation at the screen top. Heat rises and escapes through the screen top. By taping aluminum foil or better yet, using aluminum foil tape to close off the top, you'll keep that hot air trapped in the enclosure. This will also help with your humidity. You may also need to upgrade to a higher wattage bulb. On especially cold nights, I plug in portable electric heaters in the room.

Okay that’s great I’ll make one of those hides. As for the light bulb I have a 100W one. Are there higher wattagaes available? I measure the humidity in the middle of the tank probably about 20cm from the light bulb. Thanks

Yes, there are 150 watt bulbs available. It's what I use for my larger enclosures.

Oh brilliant I’ll buy one of those straight away thank you