Refractometer Saltwater Aquarium for Seawater, Pool, Tank, Testing, Marine Fishkeeping, 0-100PPT & 1.000-1.070 Salinity Tester with ATC Function Hydrometer Specific Gravity Salinity Meter Kit
- Measure Salt Water or Salinity of Water, Monitor and Control the Concentration of Salt Water and Brine, Ideal for Aquariums and Marine Applications.
- Specific Gravity (D 20/20) and components per thousand and replaces your poor high quality and tough to learn hydrometer.
- 1.0-1.070, Minimum Scale is 0.001.
- 0-100‰, Minimum Scale is 1‰.
- Automatic Temperature Compensation, 0-10°C.
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