Yep, thats pretty much exactly like the PVC one I'd seen on here. Are you using it inside or outside (if outside, what's your weather like)? It will probably be fine as a back up if you're using it outside and its cold, which it sound like is how you intend to use it. If its cold where you are, I would definitely only use it as a back up. But, if its warm enough where you're using it, you could probably not use the heat lamp at all.