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Digital Seawater Refractometer MA887 - Milwaukee
Milwaukee Instruments$114.00This refractometer does not come with a case or battery. The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater providing for a much more precise evaluation. Each... -
Digital Seawater Refractometer MA887 w/Protective Case - Milwaukee
Milwaukee Instruments$136.00This refractometer does come with a black or blue protective case. The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater providing for a much more precise evaluation... -
Apex PM2 - Salinity, Temperature, I/O Expansion Module - Neptune Systems
Neptune Systems$94.99Maintaining consistent salinity in your aquarium is key to the well being of every organism inside it. And, as busy as we sometimes are, we don’t even realize our parameters are out of whack until it’s too late. With this module, your Apex... -
FOWLR Deluxe Saltwater Test Set (HI98319, 781, Salifert PO4)
Salifert$129.99Hanna Salinity/Temperature Checker - HI98319 Salinity/Temperature Meter - Each meter is supplied with: CR2032 battery (inside the meter), Storage / Protection sleeve, Instruction manual, Quality certificate, and 35.00 ppt calibration standard sachet (4... -
Reef Tank Beginner Saltwater Test Set
Salifert$119.99Generic Refractometer - It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the specific gravity and...