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Posted by Cindy on June 6, 2006, 11:00 am
Please log in for more thread options I have a new Coralife Deep Six hydrometer that I've been using for the
past year or so. But over the weekend I sorted through my trash can
full of aquarium supplies, and found my old "The Original" Seatest
hydrometer that I've had for probably 20 years.
The Coralife reads 1.022, and the tank has been doing fine.
The Seatest reads off the scale, well above 1.027! It's pretty simple,
I don't see how it could have gotten screwed up sitting in a box? And
my tanks did fine 20 years ago too.
I'm going to take them both to the fish store and see what they say,
but which one do I believe?
Cindy
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Posted by kim gross on June 6, 2006, 11:12 am
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Cindy wrote:
> I have a new Coralife Deep Six hydrometer that I've been using for
> the past year or so. But over the weekend I sorted through my trash can
> full of aquarium supplies, and found my old "The Original" Seatest
> hydrometer that I've had for probably 20 years.
> The Coralife reads 1.022, and the tank has been doing fine.
> The Seatest reads off the scale, well above 1.027! It's pretty
> simple, I don't see how it could have gotten screwed up sitting in a
> box? And my tanks did fine 20 years ago too.
> I'm going to take them both to the fish store and see what they say,
> but which one do I believe?
>
> Cindy
To be honest. If you want to know the exact salinity, don't believe
either one. Swing arm hydrometers are not known for being accurate, but
they are pretty repeatable. The most important thing is that you keep
the salinity stable, not that it is exactly 1.025. The best thing is to
invest in a refractometer. They are much more accurate and actually
easy to use also.
Kim
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Posted by ~Roy on June 6, 2006, 11:53 am
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Yep, what Kim said. I used to put faith in my hydrometer and swing
arms.....but when stuff went south I used a refractometer and what a
big difference in what I actually had and whata those other two
instruments were telling me I had. You can get a good decent
temperature comnpensating refractometer for about $40 or so. I know yu
can get them for that or less on Ebay, but I owu dbe leary of the ebay
ones, even if they are the same, as there have been lots of folks on
the web based forums complaining of ebay refract. whose glass sight
plate fell out or leaked and allowed water to infiltrate inside.
Just make sure if yu order one online from anay place its for SALT and
not a BRIX type which is for sugar......... A few folks that bought so
called refract. on ebay were sent BRIX type. MOst sold at places like
Drs. Foster & Smith and Premium Aquatics n Indianapolis, IN, have a
two year warranty and cost about $40. Yu cna get a fanceier model for
about $20 more but the results are the same and its not rworth that
price difference. Calibration is dead easy, and once set its good to
go practically forever, but I do verify mine every now and then, and
in over 3 years its yet to be off.
>><> I have a new Coralife Deep Six hydrometer that I've been using for the
>><>past year or so. But over the weekend I sorted through my trash can
>><>full of aquarium supplies, and found my old "The Original" Seatest
>><>hydrometer that I've had for probably 20 years.
>><> The Coralife reads 1.022, and the tank has been doing fine.
>><> The Seatest reads off the scale, well above 1.027! It's pretty simple,
>><>I don't see how it could have gotten screwed up sitting in a box? And
>><>my tanks did fine 20 years ago too.
>><> I'm going to take them both to the fish store and see what they say,
>><>but which one do I believe?
>><>
>><>Cindy
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Posted by Cindy on June 6, 2006, 1:07 pm
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Thanks, Kim and Roy!
:)
Cindy
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Posted by Wayne Sallee on June 6, 2006, 3:50 pm
Please log in for more thread options Or better yet get a salinity monitor, since conductivity
is the new scientific standard for measuring salinity.
Wayne Sallee
Wayne's Pets
Wayne@WaynesPets.com
~Roy wrote on 6/6/2006 11:53 AM:
>
> Yep, what Kim said. I used to put faith in my hydrometer and swing
> arms.....but when stuff went south I used a refractometer and what a
> big difference in what I actually had and whata those other two
> instruments were telling me I had. You can get a good decent
> temperature comnpensating refractometer for about $40 or so. I know yu
> can get them for that or less on Ebay, but I owu dbe leary of the ebay
> ones, even if they are the same, as there have been lots of folks on
> the web based forums complaining of ebay refract. whose glass sight
> plate fell out or leaked and allowed water to infiltrate inside.
> Just make sure if yu order one online from anay place its for SALT and
> not a BRIX type which is for sugar......... A few folks that bought so
> called refract. on ebay were sent BRIX type. MOst sold at places like
> Drs. Foster & Smith and Premium Aquatics n Indianapolis, IN, have a
> two year warranty and cost about $40. Yu cna get a fanceier model for
> about $20 more but the results are the same and its not rworth that
> price difference. Calibration is dead easy, and once set its good to
> go practically forever, but I do verify mine every now and then, and
> in over 3 years its yet to be off.
>
>
>
>
>>> <> I have a new Coralife Deep Six hydrometer that I've been using for the
>>> <>past year or so. But over the weekend I sorted through my trash can
>>> <>full of aquarium supplies, and found my old "The Original" Seatest
>>> <>hydrometer that I've had for probably 20 years.
>>> <> The Coralife reads 1.022, and the tank has been doing fine.
>>> <> The Seatest reads off the scale, well above 1.027! It's pretty simple,
>>> <>I don't see how it could have gotten screwed up sitting in a box? And
>>> <>my tanks did fine 20 years ago too.
>>> <> I'm going to take them both to the fish store and see what they say,
>>> <>but which one do I believe?
>>> <>
>>> <>Cindy
>
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> the past year or so. But over the weekend I sorted through my trash can
> full of aquarium supplies, and found my old "The Original" Seatest
> hydrometer that I've had for probably 20 years.
> The Coralife reads 1.022, and the tank has been doing fine.
> The Seatest reads off the scale, well above 1.027! It's pretty
> simple, I don't see how it could have gotten screwed up sitting in a
> box? And my tanks did fine 20 years ago too.
> I'm going to take them both to the fish store and see what they say,
> but which one do I believe?
>
> Cindy