I've built numerous different types of mist systems and rain chambers.



If this is for a single terrarium (which I assume it is), having a mist system on a timer can be a bit expensive.



There are two basic ways to have a mist system hooked up to a timer.



1) You can use a water-line in your home or a pump up garden sprayer and attach a sprinkler timer to it.



There are several problems with having a sprinkler timer hooked up to a water line in your home. First you have to deal with having a line run from a sink or shower and you have to have that water turned on all the time. If the sprinkler timer fails you will have water pumped continuously into your terrarium and then your home once the cage fills up.



If you have hard water this type of system will also leave water spots on your cage.



With a pump-up garden sprayer you can use reverse osmosis water to reduce water spots, but these tanks can lose pressure and have to be filled often. I think they are great for single terrariums but don't think they are best when used in conjunction with a sprinkler timer.



Also, I'm not sure how much variation in on-off cycles there are with sprinkler timers.



2) Regular lamp timers can be used with either submersible pumps or electric-powered pressurized tanks.



The first idea is probably most reasonable but I've never really looked into what the minimum requirment is for a submersible pump that will power a mist head. Mist heads require a certain amount of "head" to create enough pressure to force the water through a mist head and creat the mist.



This is something you'd have to look into yourself.



The pressurized tanks are probably the safest option but are expensive for a single terrarium.













Anyone have some they'd like to share? I would like to create one on a timer that could cause a "rainfall" at set times. But something that maintains the aesthetics of the cage. Any advice would be greatly appreciated.

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