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  • Milwaukee Digital Refractometer

Milwaukee Digital Seawater Refractometer

SKU: 205463


  • amazing By Arash on 12/19/2014

    don't know why i didn't do this earlier - so much better than light refractometer and easier. much more accurate readings.
  • Easy to use and mostly accurate. By DivingTheWorld on 12/19/2014

    I have used this quite a bit now and I do find it to be accurate. I find that you can calibrate with either RODI or Distilled water and it doesn't make a difference with the results.

    The reason I don't give it 5 stars is due to the 1 ppt offset. To get an accurate 35 ppt level in your aquarium, the Milwaukee will display 36 ppt. I have verified this with two different calibration fluids and comparing to a Pinpoint and a Tropic Marin High Precision Hydrometer.

    But once you know the offset, the readings are accurate and it's simple to use.
  • Best refractometer! By Jim on 12/19/2014

    Don't waste your money on any other product. Simple to use, always accurate, functional, easy to read, and more fun to use than other methods. Spend your money wisely and choose this product first vs sampling other testers only to get to this product after trial and error.
  • Great Product By Mike on 12/12/2014

    Very easy to use and accurate.
  • A+ By adam on 12/10/2014

    easy to use highly recomend
  • Fantastic By Lsnyc on 12/10/2014

    Super easy and well worth the money. It is an elegant device that takes the guess work out of reading a refractometer or especially a hydrometer.
  • It's easy, and accurate. Well worth the money. By Andrew on 12/9/2014

    It's easy, and accurate. Well worth the money.
  • Love it! By Izzy on 12/8/2014

    I love this product, it is really easy to use. Correct salinity levels are critical in this hobby. Worth to buy!
  • Wow By Nicholas on 11/22/2014

    Wow I wish I would have bought this sooner. Takes all the guess work out of salinity. Simple to calibrate and use. Since water is the most important thing to get right in this hobby this is almost as important as my RODI.
  • slick By cheesehead on 9/3/2014

    love it, works great.

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