I do like the stealth. I think (verify by reading the box) that they are one of the few that will turn themselves off when out of the water (large water changes with no unplugging). Titanium heaters are the gold standard at gold prices though. My pH pen read temp., so all my heaters get spot checked, and the little whisper ones (50 W) seem to be fail most, but its most likely my fault for running them dry.
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