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Easy and affordable By Eric on 7/11/12
Eric would recommend this product to a friend
easy to setup and calibrate. Tested my results against the expensive one at my LFS and numbers came out same.
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Pretty good By Eric on 7/11/12
Eric would recommend this product to a friend
Instructions were easy. I compared against my LFS more expensive ones and they came up with the same numbers. Calibration was easy and quick.
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Don't waste time with hydrometers By MartinCron on 7/10/12
MartinCron would recommend this product to a friend
This is so much easier, faster, and more accurate. I wish I had bought this months ago.
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Harder to read than I was expecting By Jacob on 7/1/12
Jacob wouldn't recommend this product to a friend
For me the little scale inside is hard to read. I can get within a line or two but the lines are so close together that I can't estimate whether it's "1/2" or "3/4" - you know, like you can estimate the space between mm or 1/8th markings on a good thin ruler. Anyways that's why the 3 stars for performance - it's not very easy to read.
If the lines could be made further apart by choice of optics or any other method so it could be read more easily that would be a great improvement.
While not very precise, for me anyway, it does seem to be accurate. The calibration process is pretty easy and it even happens to agree pretty closely with a hydrometer I have - though that says more about the hydrometer than this refractometer..
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Great product By Mike on 6/30/12
Mike would recommend this product to a friend
Good value
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Perfect By Michael on 6/20/12
Michael would recommend this product to a friend
As everyone else mentioned, it's a perfect buy for the money and it's definitely something needed for any aquarium keeper.
Came with absolute easy instructions on how to calibrate which helps out those in my family that aren't as into the hobby as I am.
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good By Steve on 6/13/12
Steve would recommend this product to a friend
make your life so much easier and buy one of these!
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Accurate and great price! By Jordan on 6/9/12
Jordan would recommend this product to a friend
This is the cheapest refractometer you will find at any onlne store! It gives you a very clear and accurate reading.
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Lifesaver By Robert on 5/31/12
Robert would recommend this product to a friend
I could not imagine running a tank without this. Get it. Do it without even thinking about it!
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A must! By Max on 5/25/12
Max would recommend this product to a friend
Does exactly what its supposed to. Very well built and cheap refractometer. Being able to test your salinity is obviously a must in this hobby, the plastic needle ones vary so much and just arnt reliable. The main reason I bought it was for the free calibration fluid because using ro or distilled water is not reliable
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Must Have! By moore1811 on 5/24/12
moore1811 would recommend this product to a friend
I wouldn't be able to make water without it! It came calibrated right out of the box. It's simple to use and accurate at different ambient temperatures! Highly recommended!
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Plastic never again By Ark on 5/24/12
Ark would recommend this product to a friend
Absolute must buy for a reef aquarium. I will never go back to the plastic junk again. Accurate, trustworthy.