Aqua Craft Refractometer Calibration Fluid

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Aqua Craft Refractometer Calibration Fluid

SKU: 205172
45 Review(s)
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  • Does the job By on 5/1/2016

    This fluid is what it's supposed to be. Not too difficult to explain. The benefit of having it tho, is that your refractometer (analog or digital) will always be on point. Calibration from 0 with RO water isn't that accurate. Even the best test equipment is useless without a standard to calibrate with or compare against. For the hundreds and thousands of dollars that go into having a tank, less than $10 for this fluid is a more than justifiable purchase.
  • DOT ON By on 4/9/2016

    I ordered 2 bottles to assure same results. dot on same same. Im happy!
  • Nice dropper built into the bottle, good price By on 3/6/2016

    The bottle is easy to use, and wont evaporate much.
  • Would recommend this product to a friend By on 12/1/2015

    Easy to use. Works as advertised. Shipping very fast. Thanks
  • IT JUST WORKS By on 11/17/2015

    Simple to use it will last for a very long time, excellent price.
  • works perfect By on 9/3/2015

    as advertised. Works wonders
  • Must have product By on 7/29/2015

    I am old school to say the least and always used RO/DI to calibrate my refractometers. Well I admit that method doesn't work !
    Order this product and you will know the truth. Both of my meters were off by as much as 4 points. Now I am confident that my salinity is correct.
    Plenty of fluid and the dropper style top is great
  • Great product By on 7/25/2015

    From the bottle design to the quality of the fluid, everything is great.
  • Aqua Craft Salinity Calibration Fluid By on 6/1/2015

    Excellent product for the $$. Should have purchased months ago instead of having my refractometer checked periodically at the saltwater shop.
  • Accurate By on 3/19/2015

    Very accurate. Dropper tip on the bottle eliminates having to use a pipet. Enough in the bottle to last a very long time.

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