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Old 08-29-2013, 10:45 PM   #1
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refractometer question

I'm getting my shopping list together for my first salt tank. I'm thinking about purchasing a refractometer instead of a hydrometer. Found a RHS-10ATC on amazon for 20 bucks. Most of the ones I see are in the 30 to 50 dollar range. Anyone know if these are any good???

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Old 08-29-2013, 10:53 PM   #2
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Originally Posted by sansouci01 View Post
I'm getting my shopping list together for my first salt tank. I'm thinking about purchasing a refractometer instead of a hydrometer. Found a RHS-10ATC on amazon for 20 bucks. Most of the ones I see are in the 30 to 50 dollar range. Anyone know if these are any good???
They are capable of the same thing... Heres a pro tip: make sure you buy one with calibration fluid 👍
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Old 08-29-2013, 11:08 PM   #3
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Thanks...
Not sure if it does but I will check....
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Old 08-30-2013, 12:10 AM   #4
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I got one off of amazon it was 28 qfter shipping works pretty good
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Old 08-30-2013, 08:16 AM   #5
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I bought a cheap one off eBay probably the same one as amazon an it said to calibrate it with rodi. Also after u calibrate it bring it into the lfs with a water sample and check the accuracy against theirs.
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Old 08-30-2013, 11:13 AM   #6
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Buy some calibration fluid. I calibrate mine every couple months just to make sure. The one I got off BRS came with it.
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Old 08-30-2013, 12:20 PM   #7
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Id check it every few weeks mine went crazy and I had no idea...salinity if .040 were reading .025...I tried to recalibrate it but their was just something wrong so i bought a hydrometer to fix the problem...eventually will get another refractometer...but for now the io hydrometer is pretty reliable,e.
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Old 08-30-2013, 12:31 PM   #8
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Id check it every few weeks mine went crazy and I had no idea...salinity if .040 were reading .025...I tried to recalibrate it but their was just something wrong so i bought a hydrometer to fix the problem...eventually will get another refractometer...but for now the io hydrometer is pretty reliable,e.
Actually hydrometers are notorious for being off, sometimes as high as 2 to 4 points. Getting a refractometer with calibration fluid, with proper calibration, is by far the best way to go.
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Old 08-30-2013, 04:52 PM   #9
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Is calibration fluid not just pure water with zero salt?
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Old 08-30-2013, 05:18 PM   #10
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Is calibration fluid not just pure water with zero salt?
My calibration fluid is 1026.
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