Review on 🌊 Accurate Salinity Refractometer for Seawater & Marine Aquariums: 0-100 PPT with Auto Temperature Compensation by Daniel Mandal

I bought this refractometer as a more accurate salinity option than a hydrometer. First, I would like to add that I bought a calibration solution (sold separately). You can use distilled water for calibration, but I just haven't gone that route. This refractometer came with a nice plastic case, a cleaning cloth, 2 pipettes and a small screwdriver (to adjust the calibration if needed). This refractometer is very easy to use, looks and feels like a high-end instrument, but doesn't come at a high price. I check the salinity in my saltwater tank once a week and also when I mix in additional seawater. Although I use a calibration solution to ensure accuracy, I have never had to adjust the calibration. This little guy stays up even when I use him (sometimes I'm not very careful with my stuff). I would recommend it to anyone who wants to take their tank seriously.