Description:
Accurate, durable, and easy to read sea water hydrometer.
This product is designed with an automatic level function, can automatically identify the level to avoid errors.
Very accurate measurement readings, please rest assured to purchase.
And each hydrometer has a laser engraved patent number.
Size: 3.5"*5.5" （ 9 x 14 cm）.
Note: fit for warm water aquarium (20°C -30°C)..
Temperature changes will cause the reading changes.
The accuracy of unit proportion is up to plus or minus 0.001.

1 x Hydrometer.
1 x Stick.

• Aquarium Automatic Accurate Readable Hydrometer Salt Water S. The color of the point in the center is random.
• Quickly, easily, and accurately measure your marine aquarium's salt level and specific gravity with Instant Ocean Hydrometer
• Higher Accuracy than other slat water and gravity tester.: ±0.001.
• Feature: Accurate, durable, and easy to read sea water salt water hydrometer. Small and waterproof. No sensor wire needed.
• Unique Design: This product is designed with an automatic level function, can automatically identify the level to avoid errors.