Hanna HI-98319 Marine Waterproof Salinity Tester Pond goods Ensure you supplement their diet

Ensure you supplement their diet with pellet food to prevent this

Inline Check Valve

The new packaging contains 25% extra product for no extra cost

Low voltage for extra safety

Hanna HI-98319 Marine Waterproof Salinity Tester Pond goods Ensure you supplement their dietIdeal for testing salinity in salt water aquariums, it is quick and easy to use and provides digital readout of both salinity and temperature. Salinity results are displayed in either parts per thousand (ppt), Practical Salinity Units (PSU), or Specific Gravity (SG). Our marine salinity tester is supplied complete with batteries and solutions allowing you to start measuring right away. Also displays temperature. This pocket sized meter is waterproof