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Old 05/19/2019, 12:35 AM   #1
gareth.hubbarde
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Join Date: Apr 2017
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What is this?

When I got my tank 2nd hand this piece of equipment was included, however I forgot to ask about it and since lost the number. Anyway I don't think I'm missing anything by not using it but as I have no clue what it is or how to use it I have no clue. I thought it was a strange hydrometer as it has salinity markings on it but how to use it no idea. I have a good recfractomer for measuring salinity. If you could shed some light on it I'd be grateful.

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Old 05/19/2019, 04:04 AM   #2
j.falk
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It's a vintage floating hydrometer / thermometer. I haven't seen anyone use one of those in years.


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Old 05/19/2019, 04:06 AM   #3
gareth.hubbarde
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Quote:
Originally Posted by j.falk View Post
It's a vintage floating hydrometer / thermometer. I haven't seen anyone use one of those in years.
So useless then that's OK. Thanks.

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Old 05/19/2019, 04:09 AM   #4
j.falk
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https://www.youtube.com/watch?v=U1QWMf-Jgmc


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Old 05/19/2019, 04:10 AM   #5
j.falk
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Quote:
Originally Posted by gareth.hubbarde View Post
So useless then that's OK. Thanks.

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Not useless at all. I posted a link above on how to use it.


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Old 05/19/2019, 08:14 AM   #6
billdogg
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it will be way more accurate than a refractometer than can go out of calibration for many reasons. Certainly not as painless to use, but a very good piece of equipment anyway.


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