About This

• 15 centimeters (6 inches) from the bottom of theto avoid the error caused by the oil film on the water.
• Keeping your hands clean and can prevent pollution offrom the fish pond.
• It is easy to read and thecan be + (-) 0.001 units of specific . Professional design make it able to get accurate reading when the temperature of theis at 18 degrees -28 degrees
• Fish pool, both inside and outside the cylinder can be read. The hydrometer that can on theof theis simple and easy to read.
• The proportion ofsample can be automatically detected. The proportion, salinity and conductivity of seaare shown once.