Review on π Dual Scale Salinity Refractometer: ATC 0-100ppt (0-10%) & 1.000-1.070 Specific Gravity - Portable Meter Tester for Seawater, Salt, Sea Water Aquarium, Brackish Reef Tank, Marine Environments by Tonya Zayas
2 swing arm hydrometers 1 refractor
My first refractometer I have always used swing arm hydrometers and was very curious how accurate they are compared to a refractometer. After testing both my swingarms, one showed 0.021, the other 0.024 and my refractor showed 025, glad I finally switched
- Stylish and modern design
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