Accurate Hydrometer Salinity Meter for Aquarium Fish Tank Marine Sea Saltwater

Description

✔ 100% brand new and high quality
✔ Go underwater 15 cm (6 inch) depth to avoid errors caused by inhalation of oil film on the top of water.
Keeping your hands clean to prevent contamination of seawater in the fish tank.
Readable and accuracy can up to ± 0.002 gravity unit.
Rugged and durable.
Simple and more reliable readings.
After each use, wash with water.
✔ Specification:
Material: Plastic
Model 028: app.19.5cmx5cmx7.5cm/7.68”x1.97”x2.95”
Model 038: app.21cmx5cmx9cm/8.27”x1.97”x3.54”
Color: Transparent+Blue,As the pictures shown
Quantity: 1 Pc
✔ Note:
Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.

Package include:
1 x Thermometer
✔ Quantity: 1 Pc