Lowering Humidity Help!

Hello everyone, i have an issue. In my self made rack i have one slot bigger than the rest. In this slot i keep a 41 qt tub with a lid and i ofcoursed opened holes. I have the lid because like i said, this slot is bigger than the rest. So my problem is that my humidity does not go lower than 70% at all times! I have opened holes all over and nothing. Im also using repti-bark and i reduced the amount in the tubs but still nothing. Is there anything else i can do to lower my humidity? Im conserned about possible RI that my snakes might get.

Here's a pic to better explain...
http://img.tapatalk.com/42b0dbd1-5b43-570f.jpg

Try putting a few holes in the top, I had the same problem on my old rack and put 5 holes above the water bowl and it dropped it down to a constant 52-56.
Tom

Do you have a fan pointing at the rack? That should improve your ventilation.

Is it just the large tub, or all of them?

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Originally Posted by 1nstinct

Try putting a few holes in the top, I had the same problem on my old rack and put 5 holes above the water bowl and it dropped it down to a constant 52-56.
Tom

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Ofcourse I can't see the rack but if you drill holes in the top won't they just be covered by the floor of the above tub space?

Quote:

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Originally Posted by KMG

Do you have a fan pointing at the rack? That should improve your ventilation.

Is it just the large tub, or all of them?

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Ofcourse I can't see the rack but if you drill holes in the top won't they just be covered by the floor of the above tub space?

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Exactly. That's the problem i have.

So you do have a fan in the room to move air over the holes?

Quote:

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Originally Posted by KMG

So you do have a fan in the room to move air over the holes?

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I do but that doesn't seem to be enough. I just invented a something for the bottom of the tub to help it be closer to the top and so i don't have to use the top. But some how it's still at 61 - 64% -____-

I've been told by several people they or their friends keep their BP at that level. You should be good but I would also get a better fan to help.

Kmg- the holes worked for me because there was .5 in gap between shelves and tub, he said his this tub was bigger so I assumed there was a gab between shelf and tubs.
Try a circulating fan pointed at the rack or try making bigger holes.

How about changing substrate? Paper perhaps?

Quote:

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Originally Posted by 1nstinct

Kmg- the holes worked for me because there was .5 in gap between shelves and tub, he said his this tub was bigger so I assumed there was a gab between shelf and tubs.
Try a circulating fan pointed at the rack or try making bigger holes.

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Yea I figured you did. I just wanted to make sure you and I covered both options for them. No use in putting work into it just to find out you didn't see another small issue.

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Originally Posted by Tfpets

How about changing substrate? Paper perhaps?

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They are using Repti-bark. I use it for my GTP, its a dry substrate.