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Originally Posted by scotty1024
It would be thicker, more expensive and more fragile.
But you could use one if you want.  |
Um ... I meant the flat plastic strip kind -- like this one:
http://www.petsmart.com/global/produ...eter&N=2023693
It's around $2, flexible, and uses that colored liquid crystal stuff you were talking about, my concern is that I don't think it has enough range to tell whether it's too cold, as they only go down to 65° F
