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  1. The "Best" Refractometer?: My experience with several popular devices

    Oct 22, 2021 · Since getting into the hobby, I've been down the rabbit hole on salinity/specific gravity measuring devices. I've had the Hanna HI98319 Salinity Pen, a $20 Amazon White-Label …

  2. Which refractometer? | Reef2Reef

    Oct 29, 2024 · Vee Gee Scientific STX-3 Handheld Salinity Refractometer with ATC, Industrial-Grade, 0-100% Salinity Range, 1.000-1.070 Specific Gravity Range, 5-Year Warranty https://a.co/d/15uuDhd …

  3. DIY Refractometer calibration fluid | Reef2Reef

    Jul 21, 2006 · A brine refractometer, which most are, will not read zero correctly if perfectly calibrated to 35 ppt. So I expect all is as expected. Thank you for that. It’s a DD H2ocean refractometer. Is that …

  4. Thoughts: Hydrometer vs. Refractometer? | Reef2Reef

    Jul 12, 2018 · A refractometer is likely a better choice than a hydrometer. Before the hydrometer crowd jumps in and claims that you can get perfectly good results using a hydrometer too, yes, that's also …

  5. Calibrating a refractometer with distilled water? | Reef2Reef

    Oct 23, 2018 · The instructions on my VEEGEE refractometer specifically calls for using distilled water for calibration. There are some true seawater refractometers that require distilled water for …

  6. Refractometer question - Homebrew Talk

    Oct 10, 2023 · A refractometer does not read accurately when alcohol is present. Fortunately, the equations for conversion to SG numbers are pretty accurate within 0.001-0.002 gravity units as …

  7. Refractometer vs Hanna Salinity Checker | Reef2Reef

    Oct 19, 2024 · Old school cheap Hydrometer, Refractometer and a Hanna salinity checker. I find the refractometer to be an unreliable piece of junk so it sits on the shelf. The Old school hydrometer …

  8. Should I buy a Refractometer or Hydrometer? | Reef2Reef

    Nov 21, 2025 · If you mean the refractometer, it depends on the quality of refractometer you buy. But my $30ish one tends to hold calibration for a while, as long as it doesn’t experience any big temp …

  9. Refractometers And Salinity Measurement | Reef2Reef

    Dec 10, 2015 · Refractometer Calibration Assuming that a refractometer is made correctly for the fluid it is intended to measure, the way to calibrate a refractometer is to put a liquid of known refractive …

  10. Thought my fermentation was stuck. Turns out I just don't know how …

    Jan 10, 2012 · Explanation above. Recipe below. So I brewed a pretty normal pale ale and after day 6, when all signs of fermentation ceased, I took a gravity reading with my refractometer to see where it …