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Reef Aquarium & Tank Building Forum

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  1. N

    Looking to purchase refractometer

    Someone said something about calibration fluid which I don't understand. This is a refractometer not a Ph meter. You just use distilled water to calibrate the zero line & you are good to go. For Ph meters you need to calibrate to a Ph standard ...
  2. N

    Looking to purchase refractometer

    Thanks for the link!
  3. N

    Looking to purchase refractometer

    Thanks! that was one i have been considering ...
  4. N

    Looking to purchase refractometer

    I've ben out of the hobby for many years and have just started to setup a new 150g mixed reef system. In shopping for refractometers the price range is from $39 to $79 on ave. Is there really a difference in quality or capability to merit this? Which brands do you all recommend? Thanks.
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