Salinity Refractometer For Aquarium Seawater Marine Fishkeeping Salinity Tester 0-100PPT & 1.000-1.070 Salinity Hydrometer Slatwater Refractometer, Each of 1 Set

Details

Measures On 2 Scales - Aquarium Refractometer Features Specific Gravity (D20/20) 1.000-1.070 And Parts Per Thousand 0~100‰ , Allow To Get Two Results In Different Units By One Test, Widely Use - Salinity Refractometer Measures Saltwater, Salinity Of Water Or Seawater, Ideal For Aquariums, Marine Monitoring, Fish-Keeping, And Saltwater Pool