Hatchling Rack Idea

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Hey Guys,

They were throwing this aluminum shelf out at work and I nabbed it. The shelves are 9 inches x 30 inches. My question to you guys is whether or not you have used aluminum shelving as a rack (I have a grounded Herpstat that I am going to use on it) and what do you recommend that I use for a heat source?

I was thinking of using belly heat as they have these ridges under each shelf that looks like it would be perfect for either heat tape or heat wire. I would prefer heat wire but I am curious to your thoughts. Here are some pictures.







Cheers!