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simple and accurate By Nick on 3/8/13
Nick would recommend this product to a friend
Simple to calibrate , easy to use and accurate.
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Must have By Todd on 3/5/13
Todd would recommend this product to a friend
Hydrometers are far from accurate and this is a must have for any reefer.
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great By Michael on 3/5/13
Michael would recommend this product to a friend
Simply put great refractometer easy to use easy to read. comes with everything u need for a great price
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Hydrometer was way off By Anita on 3/2/13
Anita would recommend this product to a friend
I just received my refractometer and calibrated to the fluid. Tested my aquarium and about fell over! The salinity was reading 1.015! According to my swing-arm hydrometer, it was 1.023. I only have one coral -a very forgiving star polyp - and my fish have been fine. So I obviously need to bring that salinity up. That POS hydrometer is going in the garbage!
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Easy to calibrate and easy to read. By Devin on 3/2/13
Devin would recommend this product to a friend
Great product, if you want the most accurate salinity results this is the thing to use.
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Simple to use - just follow the instructions By Grant on 2/26/13
Grant would recommend this product to a friend
Well constructed and simple to use. Just make sure you calibrate with the provided solution - there is a large reminder sticker on the box. So far, appears to work exactly as intended.
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A MUST PURCHASE By Chris on 2/26/13
Chris would recommend this product to a friend
I've been reefing for 4 years and always used a cheap plastic hydrometer. I haven't seen great growth in any livestock. Decided to dive into this refractometer. Glad I did. My plastic meter read 1.025. Tried the refractometer and it read 1.030! Made the adjustment and everything is thriving. A must purchase for little cost!
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Inexpensive and accurate By Jared on 1/28/13
Jared would recommend this product to a friend
You can't beat the price and the accuracy of this refractometer. The calibration fluid that is included is an added bonus. The lines are large and easy to read.
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Not sure By Testor on 1/25/13
Testor wouldn't recommend this product to a friend
Printed instructions with ATC unit say to calibrate with RO/DI water. When I do so, the readings on the ATC match the readings I get on a digital Hanna refractometer. However when I test the calibration fluid that came with this unit, it's reading is 1.028.
So do I assume the calibration fluid is off, or trust it, and recalibrate the optical ATC unit, and assume the digital Hanna is off.
I know BRS site says to use calibration fluid to calibrate.
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SCIENCE By Kerry on 1/24/13
Kerry would recommend this product to a friend
Forget your little floaty tool. This couldn't be easier to use or more exact. Every reefer needs one of these!
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Great price on sale for Christmas By Jerry on 1/24/13
Jerry would recommend this product to a friend
Great product and super cheap at Christmas, bought 2.
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Just buy it and save ur money on Hydrometers By Aquaman75 on 12/20/12
Aquaman75 would recommend this product to a friend
I brought a Hydrometer from BFS and it worked great for about two months and then it started to give me reading i just know was off. I did a little research and got the refractometer. the best buy for reading the salinity for my water will never look back.