Amzdeal Salinity Refractometer Aquarium & Seawater - Dual Scale (1.0 to 1.070 S.G.)
Price: $21.99
  • Features automatic temperature compensation (ATC)
  • Measures on 2 scales, Specific Gravity (D 20/20) and parts per thousand (‰).
  • Measure salt water or salinity of water, ideal for aquariums and marine monitoring.
  • Comes with hard case, dropper, screwdriver and cleaning cloth.

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