best substrate for humidity?

If you're having trouble keeping humidity up, I'd try Bed-A-Beast (that's the coconut stuff that comes in a brick). When the air dried up around here (winter), lizard liner or newspaper wouldn't keep the humidity high enough, especially with the heat lamp I needed to keep the temp right (and yes, I tried with UTH alone and couldn't keep it hot enough). Now, I mist once or twice a day and everything is peachy.

sounds good. i used to use that stuff aswell and i think it keeps humidity better than the aspen im using now but i felt that the bedabeast stuff is too messy...

From my experience I believe the shredded coconut husk (the brick) is the best for maintaining and holding humidity (atleast for screentop glass viv's). I have screen top glass aquariums for my ball pythons and that alone poses the real problem for keeping humidity where it needs to be. I've wrapped the top halfs of the screen tops and I use the eco earth (coconut husk) and haven't had a problem with humidity. IMO it also looks the best and if accidentially swallowed it isn't harmful.

I've used newspaper, the eco earth stuff, mulch and aspen and out of them all...the eco earth might be alittle more $$$ but for the looks and way it holds moisture you can't beat it.

**I wouldn't use it in tubs though...It would probably keep in too much humidity...but I don't use tubs, atleast not yet so I can't speak from direct experience.

rubbermaid tubs are the best for holding humidity! i only use paper towel in mine and they hold perfect temps and humidity. i will never buy a glass aquarium again!!!

but i have decided that aspen mulch really sucks for holding humidity and i think in my new display rack i'm probably going to use that brick stuff...