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