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Vent holes and heating (Yes, for a rack but dont..

Mowgli

Mowgli

Straight from The Jungle!
.. worry, i have been reading piles of threads about rack heating and venting, but i still need some help for my specefic setup)

Adult tubs:
70 x 39,5 x 18 cm (27,5" x 15,5" x 7")
35 liters (9,2 gallon)
You can see a pic here (the pic to the right): http://www.hammarplast.com/?subfold...leid=1955&folder=1934&productid=7310543541070

Venting:
I bougth one of them today, just to take some messurements for the actual rack. Then i thought why not make the ventholes? I made 24 (0,5 cm = 0,2" in diameter) holes in the top of each of the long sides. Would that be enough?

Heating:
I dont think that the tubs i use will do good with heat tape on the back wall of the rack - As you can see on the picture bellow the sides will not get near enoug for the heat tape to work, or will it? (Note that this tub in the pic is not the exact one, but the desing is the same)
tub.jpg

If you agree with me on the heating issue - Can you think of any other method on how to heat it properly?

Thanks for reading this, and i hope some of you will have some good advice for me :D
 
Determining the number of vent holes takes trial and error. If you have condensation inside the tub, add more holes.

As far as the heating, running tape along the back will work just as effectively as under the tub. The temperature probe for the thermostat will still reduce the heat once the set point is reached. It all depends upon the location and placement of the probe. :)
 
Allright, ill see about the vent holes when im done.

About the heating i ment that the side of the tub wont be close enough to the heating device to get proper heat from it.. And then my bill will EXPLODE with alot of heating devices runnunig all day :D
 
Would heating wires be an option in my situatuation? Or should i try with the heat mats?
 
CAV suggested a very good way to test the number of holes. The best way to be sure would be to set the tubs up, water bowls full and turn on the heat. Basically running the rack system with everything except the snakes.

The heat tape you have in the picture would be ideal IMO. I'd place this on the shelf of the rack, taped down with duct tape on the edges of the heat tape to secure it and slide the tubs on top. This will give the snakes the belly heat while being close enough to the tubs (right underneath).

The tubs pictured will also allow you plenty of space to fix the thermostat probe between 2 tubs. Then adjust the thermostat to the desired temp that you would read off your thermometer, taking the reading from the bottom of the tub (on the inside). This may vary slightly from the thermostat reading, IE the thermostat "may" have to be set 1 or 2 degrees higher to allow for heat loss through the plastic. This variance will all depend specifically on YOUR rack as no 2 racks and conditions are identical.
 
Very important point when positioning the water bowl is to keep it at the cool end. Seems obvious but you'll be surprised how many people would miss it.
 
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