
I bought this as part of a new tank build. "Honestly, given the reviews, I didn't quite trust him. But since it was a new aquarium and there were no fish in it, that wasn't a problem. However, I bought 2 other old style thermometers as a backup. One showed this as a low level report. The next one matched that by a degree or two. That brought the first one back and I kept the other old style as a backup for this one. Overall I'm happy with it.

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