Beginner Questions (Ask Them Here!)

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Originally Posted by chachee52

So to keep with the hydrometer theme a little. I bought mine about a year and a half ago. How long to the batteries usually last and when you change the battery i would assume that you should also recalibtrate it?
Mine seems to be starting to get a little hard to read so I was going to go get a new battery anyway.

How long the batteries last depends on the hygrometer and the batteries. Certain types & brands of batteries will last more or less than others, but it's probably best to change it once every 6 months to a year regardless.

Rechecking the calibration at that point isn't a bad thing.