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Lisa in WA
> 3 daySmaller than I expected (read the description, duh), but that actually works better for my purposes. Two reptile enclosures, two hygrometers in the pack, win! I also appreciate the extra batteries and the double-sided tape. The only issue is that the tape will cover nearly the entire back, including the battery access, and I cant see that going well when I have to replace the batteries. I cut the tape down, but am fairly sure they wont stay stuck for any length of time. And you probably dont want to cover the little holes with the tape, either. Great value for the price!
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AJMan
Greater than one weekTLDR; don’t expect pinpoint accuracy, but it’s reliable for general readings. Good purchase for its price point. I have no need for scientific measurements; I just need to make sure the air is wet enough for my plants without spending an unreasonable amount. If you buy a pack of two, you notice the two will show different readings for both humidity and temp, and there’s not really a way to calibrate these. However, the readings are still within 1 or 2 degrees of each other. And from testing by transitioning from normal room humidity to the inside of my tropical plant enclosure, it’s definitely able to pick up the changes in humidity within a minute or so. Another note: leaving these in 90%+ humidity for a long time (maybe 6hr+?) will cause the display to glitch out and become unreadable. Moving the device back to lower humidity will fix it if you wait a bit. And if not, just remove the batteries and put ‘em back. That usually fixes everything.
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Ariel
> 3 dayDefinitely worth the money you get two temperature/humidity gauges 4 sets of batteries and two velcro tapes. I am highly impressed both gauges were pretty much spot on and also were within 1 degree for temp and 1-2 points off humidity compared to my zoomed hydrometer. I want to note that the probe it is placed at the bottom of my gecko tank so there naturally would be a little bit of a discrepancy between the zoo med and the two aik tryee mini hydrometers. My zoo med hydrometer was about $10 this was half the price and you get 2 hydrometers plus extra batteries I wish I came across this earlier. I am happy with my purchase and will be purchasing more for my various reptile tanks.
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Skiler
12-06-2025Both broke on day one. The little plastic piece that keeps the back on and the batteries in broke almost instantly.
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Bniboo2
Greater than one weekThe 2 meters for $6 bucks or whatever is awesome. Comes with double sided sticky tape. But if you put it on the back, it covers where you change out the battery, so I stuck it to the bottom, which isn’t the most convenient for reading but it serves its purpose well enough for the price.
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KERI B
> 3 dayI bought this for a snail enclosure. It fell off the wall in approximately 3 hours and it had no reading on the screen. After drying it off the screen worked again. Apparently it does not work in a damp humid enclosure. It was a 2 pack and I tried both with the same results. In a dry enclosure it may work just fine.
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STxHippie
> 3 daySimple little device that seems to be fairly accurate. Will work for what I need. One arrived with the battery cover broken. Used some tape to keep in place and it is fine. They are cheaply made, but I knew that when ordering. Came with extra batteries. Good overall value for the price.
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jourdyn kay ruesch
> 3 dayWorks amazing. Helped a TON with not having to guess the % my humidity was at.
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Poppy
> 3 dayIf these ever actually die or use up the extra batteries I will buy the same ones as replacements. Just replaced the batteries in one and I’ve been using them for 11 months now. The one with dead batteries has been working overtime. It’s in a basement. In Florida. On waterfront property. So it’s been reading 99% humidity the entire time. The poor little thing is probably as exhausted and overheated as I am! I still have one more set of batteries and the other meter is still going strong. I can’t think of the last $5 I spent that lasted as long as this pair of hygrometers! They are probably not accurate enough to conduct college thesis scientific experiments, but they are CLOSE. And that’s all I needed - to get an idea of how the humidity levels in the basement compared to the rest of the house and how those levels change with the seasons and rainfall. I think the humidity readings are more accurate than the temp readings, which sometimes showed ~4• off from the thermostat BUT my purposes are really for the humidity readings. Totally satisfied with this purchase and will buy same ones again if/when this pair quits or the batteries all die. Probably the extra batteries alone are worth the total cost. #battery life excellent #accuracy close enough #happy customer
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Nicolas Pesole
> 3 dayAlot of reviews show 2 very different readings. That seems to happen when you move them or touch them etc. But if you set them down and leave them for a few minutes they even out because mine are basically identical and work just fine.