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Instant Ocean Hydrometer

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Subject Author Date
Instant Ocean Hydrometer Sarah Navarro 05-05-2005
Posted by Sarah Navarro on May 5, 2005, 12:21 am
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Has anyone else noticed that this brand always gives a higher salinity
reading than other brands? I have one Deep Six brand, two Sealtest, and one
Instant Ocean, this one is always higher, by quite a bit than the other
ones. My friend also has an Instant Ocean and I tried it and it tests
higher also.

Sarah



Posted by CheezWiz on May 5, 2005, 12:40 am
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You really should get one of these:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=20755&item=4378279657&rd=1

Calibrates to 0 with RO/DI and direct reads salinity
Just to be sure to get one that is temperature compensated.

CW
> Has anyone else noticed that this brand always gives a higher salinity
> reading than other brands? I have one Deep Six brand, two Sealtest, and
> one Instant Ocean, this one is always higher, by quite a bit than the
> other ones. My friend also has an Instant Ocean and I tried it and it
> tests higher also.
>
> Sarah
>



Posted by Pszemol on May 5, 2005, 7:39 pm
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> is always higher, by quite a bit than the other ones.

how much higher ?


Posted by George on May 6, 2005, 6:59 pm
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>> is always higher, by quite a bit than the other ones.
>
> how much higher ?

I have one of those and I've noticed that is reads about 0.02 higher than the
one I used to have (an older model of the same brand). I noticed this the first
time I used it. My solution was to keep the salinity in the middle of the
acceptible range.



Posted by Pszemol on May 6, 2005, 7:33 pm
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>>> is always higher, by quite a bit than the other ones.
>>
>> how much higher ?
>
> I have one of those and I've noticed that is reads about 0.02 higher than the
> one I used to have (an older model of the same brand). I noticed this the
first
> time I used it. My solution was to keep the salinity in the middle of the
> acceptible range.

Hm... So instead of 1.023 it read 1.043 ???? And you kept at 1.033 ?

BTW - The good idea is to keep them clean - when there is some salt
deposit inside it will interfere with the reading. I soak mine in
hot water from time to time and do not see anything wrong with them.

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