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Question for those who use belly heat and paper towel substrate

R. Eventide

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Been wondering about this for a while, but I figured it wouldn't hurt to get some other opinions.

I use 4" Flexwatt (belly heat) on my racks, which are not enclosed on any side. Now, normally, I use Sani-Chips for substrate, but for babies, I use moist paper towel until their first shed and dry paper towel after that. (I switch 'em to Sani-Chips whenever I think they're ready, like after they've had a few meals.)

Something I found out last year with the heat cable on my temporary quarantine rack was that over the course of a few days to a week, the heat cable will slowly scorch the paper towel. This is not "scorch" as in it catches fire or is even capable of catching fire (the heat cable doesn't get hot enough to ignite paper products). However, the paper towel will turn brown where the heat cable is.

I've discovered that my Flexwatt does the same thing. Again, it takes a while--it's not an overnight thing--but it still bugs me. The fun thing is that it does it no matter what percentage of power is output to the heat tape. It's really hot this time of year, and with a swamp cooler, my house doesn't usually get below 80-85 degrees, which means the heat tape sits around 0 to 30% output. Also, the back end of the baby tubs are at the very edge of the heat tape to try to minimize the scorching...but it still happens.

One of the solutions to this is not to use belly heat. While this isn't an option with my current setup, it would probably be a good idea for baby racks in the future.

Another option I came up with is to replace the damp paper towel with cheap rags (or some other cloth substitute). They can be kept damp when need be, the snakes shouldn't have any issues with getting body parts caught in the loops, they're washable (reduces the amount of paper towel I use and throw away), and the snakes can even burrow in them if they want. There is a chance the heat tape will still scorch the rags, but I'd have to test this to know for sure. Rags should be at least slightly more resistant to heat than paper towels (or have a higher ignition temperature, if nothing else).

Keeping the paper towel moist is not an option after their first shed. For one, this is the only time of year when I wouldn't have to mist the tubs multiple times a day to keep them wet. Otherwise, though, it's a bit of a pain. Plus, it could be detrimental to the snakes to keep the humidity that high for an extended period of time.

My question is, do y'all have other suggestions/options to minimize the paper towel from getting scorched? These were the only ones I've come up with so far, so I'd like to hear what the rest of y'all do.

Thanks!
 
I use 3" flexwatt on all my racks for belly heat. And use paper towels which allows me to set thermostats at 90 and i get 89 inside. I only use one layer of paper towels so even if the paper towels are pushed off the heat the bottoms are still 89-90.


And if the paper towel was turning a scorching brown then the heat cable was malfunctioning. Never in all my years seen paper towels turn colors in my racks
 
I don't worry about the paper scorching a little bit, it's never been an issue and I just toss it if it gets too bad even if the snake hasn't made a mess.

Thanks! :D

Yeah, I got to thinking about this again, and I realized that if it's even slowly burning the paper towel, then it would be burning the snakes too. But since I haven't ever had any problems with burns (with snakes of any age), then it probably isn't technically "burning" the paper towel. It's probably just discoloring due to the constant heat. That would also explain why it takes a few days to discolor the paper towel; the temperature is constant, so if it were truly scorching or burning, it would happen in a much shorter period of time.

And if the paper towel was turning a scorching brown then the heat cable was malfunctioning. Never in all my years seen paper towels turn colors in my racks

It was not malfunctioning because, as I said, the heat tape does the same thing. I'm beginning to think it's just discoloring the paper towel, not actually scorching or burning it, which would make more sense.
 
Still the heat tape to discolor the paper towel would be over heating and cause melting points on the tub. Should never see any discoloring on the inside from the heating element ever
 
I have belly heat with heat tape and have never had any burning problems with any substrate at all other than if there is a malfunction.
 
My hot spots are 93 degrees mostly and I get a browning of the paper towel after 4-5 days, it's not burning the paper but it is discoloring it.
 
I've had paper towels brown too but its not a big deal I know it isn't getting too hot. I don't know what causes it but I've never had any issues burning snakes in the years I've been doing this. I use aspen mulch now even for the babies and it works great so I don't have any reason to go back to paper towels.
 
You may want to look at your water source the browning may be nothing more than the iron in the water oxidizing due to the heat. It actually is not scorching the paper towel just discoloring it due to the high iron content of the water.
 
The Iron theory makes since because when I used to use paper towels it usually happened after they were wet and turned dry from the flexwatt, the paper would be brown.
 
Still the heat tape to discolor the paper towel would be over heating and cause melting points on the tub. Should never see any discoloring on the inside from the heating element ever

Uh, it'd have to get a whole lot hotter than what the heat tape itself can produce to actually start melting things.

As I've said a couple times already, it's probably just discoloring it rather than burning it outright.

My hot spots are 93 degrees mostly and I get a browning of the paper towel after 4-5 days, it's not burning the paper but it is discoloring it.

Yeah, that sounds like what I'm getting.

I've had paper towels brown too but its not a big deal I know it isn't getting too hot. I don't know what causes it but I've never had any issues burning snakes in the years I've been doing this. I use aspen mulch now even for the babies and it works great so I don't have any reason to go back to paper towels.

Now I'm really curious as to what's causing it! Time for experimentation! :D

Yeah, I think I'll limit the amount of time I use the paper towels.

Thanks for the feedback!

You may want to look at your water source the browning may be nothing more than the iron in the water oxidizing due to the heat. It actually is not scorching the paper towel just discoloring it due to the high iron content of the water.

HMMM, I never thought of that. And that's a very good possibility since I've never tried it with dry paper towels. (That and knowing that Tucson's water has all kinds of fun stuff in it.) I should have some distilled water around here somewhere. Methinks I will try that in one of the tubs and see what happens. Thanks!!

Weird. Never seen this before. What are your temps on the inside of the tub with an IR Gun?

Low- to mid-80s.
 
I have belly heat with heat tape and have never had any burning problems with any substrate at all other than if there is a malfunction.

Oops! Sorry! Missed a reply!

Yeah, that plus the temp of the tape and tubs is leading me to believe it's not burning but some other sort of discoloring.

Thanks for the feedback!

---

To those who have never seen this in their own setups, were the paper towels wet? Also, what's the hardness of your water source?
 
The Iron theory makes since because when I used to use paper towels it usually happened after they were wet and turned dry from the flexwatt, the paper would be brown.

Yeah, I hadn't thought of that at all. I'm going to play around with distilled and maybe DI water (if I can get some) and see what happens.
 
You may want to look at your water source the browning may be nothing more than the iron in the water oxidizing due to the heat. It actually is not scorching the paper towel just discoloring it due to the high iron content of the water.
This makes a lot of sense.
I know it's not too hot to burn the snakes and the browning usually is after some water spills.
 
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