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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. -
Hanna Core Parameters Kit (772 Alk, 758 Calcium, 783 Magnesium) Checker HC (Saltwater) - Hanna Instruments
Hanna Instruments$203.97772 CheckerThe HI772 Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity in degrees of calcium hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides... -
MW600 Dissolved Oxygen Meter - Milwaukee Instruments
Milwaukee Instruments$208.00Milwaukee MW600 LED Economy Portable Dissolved Oxygen Meter with 2 Point Manual Calibration, 0.0 - 19.0 mg/L, 0.1 mg/L Resolution, +/-1.5 percent Accuracy, 100 Percent Saturation Range The Milwaukee MW600 is a portable dissolved oxygen (DO) meter for... -
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 |... -
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Pinpoint pH Controller - American Marine
American Marine$199.95$169.96American Marines PINPOINT pH Controller. PINPOINT pH Controller is an inexpensive yet rugged controller, which includes the appropriate probe and calibration fluids. This device will automate another electrical device such as a calcium reactor or... -
MW802 Standard Portable pH/Conductivity/TDS Combination Meter - Milwaukee Instruments
Milwaukee Instruments$185.003 meters in 1! This meter allows you to measure pH, EC (conductivity) and TDS with just one instrument and one single probe! The MW802, with a conductivity range that goes up to 6.00 mS/cm and the TDS up to 4000 ppm is ideal for testing in crop... -
HI9810422 HALO2 Wireless pH Tester - Hanna Instruments
Hanna Instruments$159.99Our HALO2 Wireless Field pH Tester has a durable PEI body and spherical sensing bulb, perfect for use in the field. Open-source Bluetooth allows easy integration into current data logging systems IP65 water resistant...