I have the ZooMed Habbamist on my tree python and the rainbow boa I just got came with the ZooMed Reptifogger. Both work fine but very differently.

The Habbamist is not a very fine mist but being that i am trying to recreate rainforest conditions I don't mind. It holds a good amount of water. And since it sprays water that collects on the wall and branches my tree python gets enough to drink without having to go down to the pool. The only bad thing about this is the pump is pretty loud.

The Retifogger put off a very fine vapor that looks like cigar smoke. This also came with the ZooMed HygroTherm controller. Which I really like. When the humidity drops below the set number it kicks the fogger on. It will also cut the lamps off and on where you set it. The boa is in a tall tank and the fogger keeps the numbers right but I have to fill the little bottle every two days. My fix to this problem is going to be a two litter bottle. It has a adapter that fits a regular bottle top. Other than the small bottle the product works very well but I'm sure in a regular tank it would not run as much and last longer.

Both products work for me but i do not rely on them completely. I still mist the cages but it's nice to not have to worry about them when I'm away.

I would suggest trying some of the other tips first. They are much easier and cheaper. If I can get great sheds with cypress and some moss in a glass tank I know you can too.