Marine Salinity Meter - User-Friendly Aquarium Hydrometer, durablee Saltwater Testing Tool | Accurate Salinity Tester, Fish Tank Hydrometer, Automatic Water Density Gauge for Fish Tanks Aquariums

Use with Ease: Insert hydrometer into the water tank at a depth of more than 15cm (when the insertion is less than 15 cm, the accuracy of the surfaces of the tank will be affected).

Safety Range: Read specific gravities according to the inner scale and the salinity (PPT) according to the outer scale. The recommended ratio in the tank is 1.020-1.023 (safety range). Please wash with water every time after use.

Measuring Accuracy: With easy-to-read markings that clearly indicate safe location. The hydrometer has readable accuracy reaching a maximum of + (-) 0.002 gravities units.

Strong ABS Materials: We use endurable ABS materials to make Sea Water Hydrometer, making it sturdy, dependable, and durablee for long-time .

Wide Application: The aquarium hydrometers are suitable for measuring salinity in aquariums, tanks, ponds, pools, etc., and can be used for the salinity test of seawater.