1. Precise seawater hydrometer, and easy to read
2. This product is designed with an automatic level function can automatically identify the level to avoid errors
3. Very precise measurement readings may be sure to buy
4. And each hydrometer has a engraved patent number
5. Apt for marine aquariums and brackish. to prove both salinity and the specific of their marine and brackish.

Specification:
Description:
Size: 9*12cm
Feature:
Precise seawater hydrometer, and easy to read.
This product is designed with an automatic level function, you can automatically identify the level to avoid errors.
Very precise measurement readings, be sure to buy.
And each hydrometer has a engraved patent number.
Note:
Suitable for warm water aquariums (20 ° C -30 ° C).
Temperature changes will cause changes in reading.
The accuracy of the unit proportion is up to more or less 0.001.
Package Included:
1 x hydrometer
1 x rod

Package Included:
1 x hydrometer
1 x rod