Milwaukee Instruments MA871 Digital Brix Refractometer, Range 0-85%

$168.3

Compare at 28 stores

HM Digital TDS-3 Handheld TDS Meter

$29.99

Compare at 57 stores

Tilt Wireless Hydrometer and Thermometer (Black)

$135

Compare at 76 stores

Hanna HI702 High Range Copper Colorimeter

$62.99

Compare at 34 stores

Brix Refractometer with ATC, Brix 0-32, Hydrometer in Wine Making, Homebrew Kit (0~32%)

$154900

Compare at 2 stores

Hanna HI98127 pH & Temperature Tester with 0.1 pH Resolution

$49.99

Compare at 16 stores

Bluelab pH Controller & Auto Doser

$515

Compare at 94 stores

Hanna HI758 Marine Calcium Checker

$63.95

Compare at 18 stores

Fill Rite 807C1 3-Wheel Mechanical 1 in Meter

$453.78

Compare at 28 stores

SHOWER SCRUBBR REFILL

$4.99

Compare at 7 stores

DAE AS200U-75P Water Meter with Pulse Output, 3/4" NPT Couplings, Measuring in Gallons

$113.17

Compare at 8 stores

Dae AS200U-75R Hot Water Meter

$92.91

Compare at 4 stores

3M EKG Snap Electrode Monitoring Radiolucent, 50 per Pack 2570

$11.7

Compare at 31 stores

GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen

$136.57

Compare at 97 stores

Bluelab TRUNCOMV2 Commercial Truncheon Nutrient Meter with Increased Measurement Range, Digital Conductivity (TDS, EC, ppm 500, ppm 700, CF) Tester in Water, Tool for Hydroponic System and Plant Grow

$127.41

Compare at 11 stores

Milwaukee Instruments MA887-BOX Salinity Refractometer, Digital

$163.2

Compare at 8 stores

Lamotte Tracer Salt/TDS/Temperature Pocket Tester 1749

$247.35

Compare at 34 stores