HM Digital SAL-1700 Aquarium Salinity Meter - SG/PPT/PSU/Temp for Saltwater Reef Tanks maple syrup refractometer Calibration Frequency:

Calibration Frequency:

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HM Digital SAL-1700 Aquarium Salinity Meter - SG/PPT/PSU/Temp for Saltwater Reef Tanks maple syrup refractometer Calibration Frequency:Professional Salinity Meter for Saltwater Aquariums & Reef Tanks The HM Digital SAL 1700 Aquarium Salinity Meter is the essential tool for maintaining optimal salinity levels in saltwater aquariums, reef tanks, and marine aquaculture. This professional grade digital meter measures salinity in multiple units (Specific Gravity, PPT, PSU) plus temperature, providing accurate, reliable readings to ensure the health and vitality of your fish, corals, and