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Author Topic: Survey  (Read 2576 times)

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Offline harleyrider

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Survey
« on: September 25, 2009, 23:18:14 »
What do YOU use to check your salinity?
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Offline jd

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Re: Survey
« Reply #1 on: September 25, 2009, 23:23:37 »
My recently purchased refracto. My swing arm served me well, reads dead on with my refracto.
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Call me Mr. Rev. Dr.

Offline UD Flyer

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Re: Survey
« Reply #2 on: September 25, 2009, 23:32:38 »
Refratometer, hopefully a salinity (sp?) probe for x-mas.
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Offline larrynews

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Re: Survey
« Reply #3 on: September 25, 2009, 23:42:55 »
Salinity Refractometer
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Offline GreatWyte

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Re: Survey
« Reply #4 on: September 25, 2009, 23:59:45 »
Refractometer
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Offline Secondgen

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Re: Survey
« Reply #5 on: September 26, 2009, 00:13:58 »
Refractometer here as well. I was burned real bad by a swing arm hydrometer. Never again.
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Offline Joel

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Re: Survey
« Reply #6 on: September 26, 2009, 06:28:52 »
I dip my finger in the waster and taste it.
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slandis3

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Re: Survey
« Reply #7 on: September 26, 2009, 07:51:51 »
Quote from: Joel on September 26, 2009, 06:28:52
I dip my finger in the waster and taste it.


lol    :D
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Offline chromiumlux

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Re: Survey
« Reply #8 on: September 26, 2009, 09:35:31 »
refractometer
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Chromiumlux

Reefd Up

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Re: Survey
« Reply #9 on: September 26, 2009, 11:01:29 »
Refractometer
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Offline atreis

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Re: Survey
« Reply #10 on: September 26, 2009, 18:23:49 »
Digital salinity meter.

I just had to be different.  :)
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Offline Riderc82

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Re: Survey
« Reply #11 on: September 27, 2009, 00:04:24 »
Swing arm hydrometer for at least three years
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Offline harleyrider

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Re: Survey
« Reply #12 on: September 27, 2009, 00:11:08 »
 Refractometer ...Who locally has one IN STOCK?
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Offline jungliztkruger

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Re: Survey
« Reply #13 on: September 27, 2009, 07:57:37 »
swing arm that has been calibrated against a refractometer. it was off by enough to explain a few things.

refractometer within the month
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Offline Wall_Tank

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Re: Survey
« Reply #14 on: September 27, 2009, 09:28:39 »
refractometer, just be sure to get some 53ms calibration fluid to calibrate it.  Do not calibrate with distilled water at zero.
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Offline verper

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Re: Survey
« Reply #15 on: September 27, 2009, 09:52:39 »
Maybe there is a difference in refractometers but I calabrated mine with distilled water at zero for 2 years before checking it against some 35ppm calibration fluid.  It was right on the money.  Was your's significantly off?
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Reefd Up

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Re: Survey
« Reply #16 on: September 27, 2009, 10:25:06 »
Quote from: jungliztkruger on September 27, 2009, 07:57:37
swing arm that has been calibrated against a refractometer. it was off by enough to explain a few things.

refractometer within the month

Swing arms also vary the readings by temperature, so make sure you tested the water at which you use it.
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Reefd Up

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Re: Survey
« Reply #17 on: September 27, 2009, 10:26:50 »
Quote from: verper on September 27, 2009, 09:52:39
Maybe there is a difference in refractometers but I calabrated mine with distilled water at zero for 2 years before checking it against some 35ppm calibration fluid.  It was right on the money.  Was your's significantly off?

Scott, there have been a few threads on RC about this.  I forget the reasoning, but just calibrating at zero isn't a safe idea.  I heard some people getting like 32...that should've been getting 35 when they just calibrated at zero.  I dunno.
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Offline Wall_Tank

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Re: Survey
« Reply #18 on: September 27, 2009, 10:38:57 »
Quote from: verper on September 27, 2009, 09:52:39
Maybe there is a difference in refractometers but I calabrated mine with distilled water at zero for 2 years before checking it against some 35ppm calibration fluid.  It was right on the money.  Was your's significantly off?

I think mine was off about a point.  But then it could be more an issue with getting a good zero point calibration fluid. 
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Offline verper

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Re: Survey
« Reply #19 on: September 27, 2009, 14:28:21 »
No problem, I hadn't heard of calibrating at 0 not working with distilled water.  I do know the farther away from your specified range you calibrate, the greater % your reading can be off.  So calibrating at 70ppm would be the same as calibrating at 0ppm if your target is 35ppm.
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olsaltybastard

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Re: Survey
« Reply #20 on: September 27, 2009, 15:21:30 »
I have been using this stuff for a few weeks now.  I was using the Pinpoint solution prior to this. 


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Offline UDJustin

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Re: Survey
« Reply #21 on: September 27, 2009, 18:10:49 »
I use a salinity monitor
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If you didn't know I'm kind of a big deal...

slandis3

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Re: Survey
« Reply #22 on: September 27, 2009, 20:08:07 »
Quote from: udjustin on September 27, 2009, 18:10:49
I use a salinity monitor


Well we all can't be rich like you.  :D
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Offline HUNGER

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Re: Survey
« Reply #23 on: September 27, 2009, 20:37:57 »
refractometer
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SIZE DOES MATTER

Offline harleyrider

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Re: Survey
« Reply #24 on: September 27, 2009, 21:10:28 »
Where did you buy YOUR Refractometer??
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