Description
Durable and Portable: This aquarium salinity tester is constructed with non-corrosive aluminum, making it lightweight, durable, and easy to transport. Our salinity refractometer includes a sturdy case, 3 droppers, a screwdriver, a user manual, and a cleaning cloth for added protection and long-lasting use. User-Friendly Operation: Just add 2-3 drops of water, use the screwdriver to calibrate it to “0”, wipe the prism, add the sample, wait for 30 seconds, align it with light, and adjust the focus
