_Salinity Salt Refractometer Aluminum 0%-10% Hydrometer For Fish Tank Aquarium_
Used to measure the salinity and specific gravity of the water.
Sturdy and light weighted Aluminum body.
Superior quality rubber grip.
High quality and accurate testing result.
Can be easily calibrated with a mini-screw driver.
Automatic temperature compensation (ATC).
Easy to use, convenient to carry.
1 x Refractometer
1 x Pipette
1 x Mini-screw driver
1 x Protective carrying case