ZJchao Hydrometer for Aquarium Marine Sea Saltwater, Accurate, Hydrometer for Marine Sea Saltwater Aquarium with Automatic Level Function, Very Accurate Readings, for Testing

[Versatile Usage] Suitable for brackish and marine , for all your testing needs.

[Automatic Level Function] Avoid errors with the automatic level function that identifies the level.

[Accurate Readings] Ensure precision with this sea water hydrometer designed for marine aquariums.

[Easy to Use] Simple and accurate readings make testing salinity and specific a breeze.

[Design] Made to last, featuring a engraved patent number for authenticity.