cant maintain humidity

i have a 20 gallon glass tank with screen lid i have the heat lamp on the hot side with the uth and a wooden hide over the uth temp maintains at 90f water bowl is next to the warm side hide. on the cold side i have just a hide cold side maintains at 75f. in the middle i have a climbing branch. 3/4 of the screen is covered with tin foil i mist and reach 70% humidity and 2 hours later im back at 20% please help

Mist w spray bottle or purchase a reptile fogger or a cool mist humidifier. Set it up on a timer one wld use for fish tanks so u can set it to come on several times during the day. I use cool mist humidifiers and have been for years to provide xtra humidity to some of my reptiles. I use them also because honestly, they last longer than reptile foggers. Use tear drop shaped ones, top will have a hole u can match up tubing to stick in thr, lowes and home depot have tubing, take top cap w u..

http://www.bestbuy.com/site/crane-0-...969&ksdevice=m

Your cold side is too cold, it should be around 79-81 degrees.

Also, what substrate are you using?

Can change your substrate - also can add some moss, if you mist the moss it increases humidity... Try keeping a towel over the other half of the mesh lid also.

You can also try putting your Water bowl under the heat lamp.

When I had humidity issues, I put a bowl with sphagnum moss in it and I would put about 1/2" or so of water in it daily. It helped a good bit.

I have a similar issue. What I have added is just humid hides. They spend a large period of the time in their hides so makes sure it stays moist there. I prefer moss for this purpose but paper towel will work. I have also changed to coconut fiber for substrate. It looks nice and holds water pretty well. I only have one screen setup for my large normal so this is the only one i have to deal with. It has been working for the past three years though so i would say its a success.

I switched from aspen to eco earth.

Yeah, as suggested, buy a brick of sphagnum moss and put it in something like a small ceramic bowl, place it in the enclosure and keep spraying it. It goes really well. Also, as suggested, shift your water bowl closer to the heat source, or get a larger water bowl.

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Originally Posted by John.Conroy

I switched from aspen to eco earth.

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Yup this is what i use also and it works great for me. I only keep a piece of foil on 3/4 of the tank and it holds fine if you add a nice chunk of moss. That is with my in house humidity being around 20% (which sucks lol). I also make sure there is moss under the hide too to keep that pretty much consistently 50-60%.

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Originally Posted by Streller

Your cold side is too cold, it should be around 79-81 degrees.

Also, what substrate are you using?

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No it's not

To the OP

Switching to cypress mulch, partially covering the top of your enclosure are some of the thing that you can do, and remember keeping proper humidity is one thing but at the same time you do not want to have a damp substrate.

Also make sure that you are getting an accurate reading with a digital hygrometer not an analog one.





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Go to your local home improvement store and have them cut you a piece of plexiglass to fit over the screen lid only leaving an opening for the hear lamp. Use aspen bedding and keep the water dish on the warm side.
Doing this keeps humidity in the 50-60 range in AZ where ambient is 35% on a good day.

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Originally Posted by Streller

Your cold side is too cold, it should be around 79-81 degrees.

Also, what substrate are you using?

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Quote:

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Originally Posted by Deborah

No it's not

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I was looking to increase my cold side temperature - it's currently at 75F. What's the accepted minimum to avoid RI etc?

Another vote for a box of moist moss here too - in the less dry ambient air in England, it's almost too effective. And my girl seemed to like lying in it during her shed despite 65% ambient. But I would imagine it would need to be replaced regularly to avoid bacterial growth?

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Originally Posted by Pug50

What's the accepted minimum to avoid RI etc?

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You'll probably get a bunch of opinions with this question, so I'll jump in with mine.
For me, I never want to see it below 72 degrees ambient. I've had good success keeping it between 78 and 82 degrees. It will fluctuate somewhat with the outer room temp, but with belly heat at the back of the rack holding my hot spot, I haven't seen too many times when the cool side got out of parameters.

Humid hides with moss and sprayed intermittently, humid retaining substrate like 100% cypress mulch or Repti bark are helpful. Covering the top screen with foil or a dampened towel also help. When I had glass enclosures I used a "versa top". A folding glass top perfectly constructed to fit standard tanks based on the gallon capacity. They are commercially available at Petco, Petland and Petsmart. Humidity issues will get resolved right away. Versa tops also will increase your ambient temps.

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Originally Posted by Pug50

I was looking to increase my cold side temperature - it's currently at 75F. What's the accepted minimum to avoid RI etc?

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Keeps in mind that RI seen in collection are usually the results of different combined factors such as low temps, stress, humidity, sanitary condition etc.

The usual minimum temps recommended for this species is usually 75 but I have seen it being maintained slightly below without issues.