About This

• AUTOUTLET Refractometer Saltwater Aquarium has Dual scale display provides readings of one-thousandth (0-100PPT) and specific gravity (1.000 to 1.070 SG), and replace the hydrometer for easier and more accurate measurement.
• With the help of the Automatic temperature compensation(ATC function), the aquarium refractometer for saltwater can automatically compensate for changes in the ambient temperature, which can obtain accurate readings faster and more easily.
• Durable and portable, the digital salinity tester aqarium is made of non-staining, non-corrosive and non-reactive aluminum material, with superb technology, strong and durable, light weight and easy to carry.
• Widely used, can be used for fish tank,seafood water tank, salty pools & spas,aquarium and marine applications,education purpose or agricultural.
• Easy to use,marine aquarium saltwater hydrometer is easy to operate, only 2 drops of sample after calibration can get accurate reading through eyepiece.