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Buffer/Calibration Solutions

TDS Standard 150 ppm as 442 Standard | Water Quality Testing Solution for Home, Aquariums & Hydroponics -45% Off
TDS Standard 150 ppm as 442 Standard | Water Quality Testing Solution for Home, Aquariums & Hydroponics
$18.39 $33.44
TDS Standard 1000ppm as 442 Standard Solution - Water Quality Testing for Aquariums, Hydroponics & Drinking Water Analysis -45% Off
TDS Standard 1000ppm as 442 Standard Solution - Water Quality Testing for Aquariums, Hydroponics & Drinking Water Analysis
$25.25 $45.92
100 NTU Turbidity Standard Solution - High Accuracy Calibration Fluid for Water Quality Testing in Labs, Pools, and Aquariums -45% Off
100 NTU Turbidity Standard Solution - High Accuracy Calibration Fluid for Water Quality Testing in Labs, Pools, and Aquariums
$111.01 $201.85
pH 10.00 Buffer Solution (Blue) - High Precision Calibration Fluid for Laboratories, Aquariums & Pool Maintenance -45% Off
pH 10.00 Buffer Solution (Blue) - High Precision Calibration Fluid for Laboratories, Aquariums & Pool Maintenance
$10.78 $19.61
pH 4.00 Buffer Solution (Pink) - High Precision Calibration Standard for Laboratories & Scientific Research -45% Off
pH 4.00 Buffer Solution (Pink) - High Precision Calibration Standard for Laboratories & Scientific Research
$10.78 $19.61
pH 7.00 Buffer Solution - Yellow | Laboratory Calibration Standard for Water Testing & Scientific Research -45% Off
pH 7.00 Buffer Solution - Yellow | Laboratory Calibration Standard for Water Testing & Scientific Research
$10.78 $19.61
12880 µS/cm Conductivity Standard Solution 500mL - High Precision Calibration for Lab, Industrial & Water Quality Testing -45% Off
12880 µS/cm Conductivity Standard Solution 500mL - High Precision Calibration for Lab, Industrial & Water Quality Testing
$18.02 $32.78
1413µS/cm Conductivity Standard Solution 500mL - Ideal for Calibration of Lab Equipment & Water Quality Testing -45% Off
1413µS/cm Conductivity Standard Solution 500mL - Ideal for Calibration of Lab Equipment & Water Quality Testing
$14.26 $25.94
84µS/cm Conductivity Standard Solution 500mL - High Precision Calibration for Water Quality Testing in Laboratories & Industrial Applications -45% Off
84µS/cm Conductivity Standard Solution 500mL - High Precision Calibration for Water Quality Testing in Laboratories & Industrial Applications
$14.26 $25.94
ORP Standard Solution 100mV ±5% at 25°C - Calibration Fluid for Water Quality Testing, Pool Maintenance & Laboratory Use -45% Off
ORP Standard Solution 100mV ±5% at 25°C - Calibration Fluid for Water Quality Testing, Pool Maintenance & Laboratory Use
$31.42 $57.13
ORP Standard 240mV - Premium Water Quality Testing Solution for Pools, Spas & Hydroponics | Accurate ORP Meter for Clean Water Maintenance -45% Off
ORP Standard 240mV - Premium Water Quality Testing Solution for Pools, Spas & Hydroponics | Accurate ORP Meter for Clean Water Maintenance
$80.56 $146.48
ORP Standard 300 mV ±5% at 25°C | Water Quality Testing for Pools, Aquariums & Hydroponics | Accurate Oxidation-Reduction Potential Measurement -45% Off
ORP Standard 300 mV ±5% at 25°C | Water Quality Testing for Pools, Aquariums & Hydroponics | Accurate Oxidation-Reduction Potential Measurement
$271.28 $493.25