Tropic Marin

High Precision Hydrometer - Tropic Marin

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Ensure that your equipment is reading correctly and your aquarium is at the right salinity with Tropic Marin's High Precision Hydrometer. 


Many tank inhabitants are sensitive even to minor changes of the water conditions. Unfortunately as we've all experienced, salinity reading equipment as well as calibration solutions can drift over time and it can occasionally be a challenge to ensure equipment is always calibrated correctly. That's where the Tropic Marin Hydrometer comes in. The Tropic Marin High Precision Hydrometer provides an exact and reliable measurement of specific gravity, and it never needs to be re-calibrated, so it's a perfect reference device for calibrating other equipment.

  • High precision hydrometer for determining the specific gravity in aquariums
  • Maximum deviation: 0.001 at 77° F (25° C)
  • Scale from 1.021 to 1.031
  • Resolution: 0.0001
  • Handmade


The hydrometer is handmade and designed to float vertically in the water. The maximum deviation is about 0.001 at 77° F (25° C).


Please note: The salt content of sea water is usually measured as specific gravity. Please check for the blue printing and the indication “Specific Gravity” at the Tropic Marin High Precision Hydrometer.


What's Included?

  • Tropic Marin High Precision Hydrometer
More Information
Product Name High Precision Hydrometer - Tropic Marin
SKU 212888
UPC 0619106 51002 5
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