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Apex Lab Grade Salinity/Conductivity Probe - Neptune Systems
Neptune Systems$209.99Start measuring salinity in your tank and get alerts when out of range. Buy this probe if you are: Replacing an old probe. Adding salinity monitoring to your system via a PM2. -
HI981520 Hanna Marine Monitor pH, Marine Salinity, Temperature - Hanna Instruments
Hanna Instruments$249.00Monitoring the salinity, pH and temperature of the water is an important routine in the maintenance of a marine aquarium or marine aquaculture. The Hann HI981520 is an easy-to-use monitor that continuously monitors and displays salinity (via... -
Digital Refractometer for Seawater Analysis (HI96822) - Hanna Instruments
Hanna Instruments$200.00The HI96822 is a rugged, portable digital refractometer designed for the measurement of salinity of natural or artificial seawater. The HI96822 displays results in three popular measurement units: Practical Salinity Units (PSU), salinity in parts per... -
MC811US MAX pH/EC/Temp Monitor - Milwaukee
Milwaukee Instruments$199.00Why Guard when you can Monitor! The Milwaukee MC811 MAX pH/EC/Temp Monitor lets you monitor your pH/EC/Temp levels 24/7 automatically. RANGE: 0.0 - 12.0 pH | 0.00 to 5.00 mS/cm | 14.0°F to 140.0°F RESOLUTION: 0.1 pH | 0.01 mS/cm |...