$62.12

WH51L Soil Moisture with 1m/3.28ft PVC Wire Probe, LCD Display, Needs to Pair...

$8.04

Digital LCD TDS-3 Meter PPM Purity 0-9990 Tester Tap Water Quality Filter

$265.99

Soil Moisture Temperature Humidity EC PH Sensor 7 in 1 Rapid Soil Tester Meter

$87.39

6 in 1 Digital Water Tester for Drinking Water, Lab Grade TOC/COD/EC/UV275/Te...

$12.6

Professional Water Tester for Drinking Water - Accurate TDS Meter Digital Wat...

$14.95

Stine Digital Soil Thermometer Temperature 6" Probe Agriculture Meter TA-288

$10.59

US Handheld Water Quality Hardness Purity Digital LCD Meter 0-9990 PPM TDS TDS-3

$16.99

Soil Moisture Meter,Plant Water Meter,Moisture Meter for House Plants,Plant Care

$6.99

Sonkir Soil pH Meter 3-in-1 Soil Moisture/Light/pH Tester Gardening Tool MS02

$512.4

Water Activity Measurement Meter for Food Meat Beef Jerky with Range 0~1.0aw

$59.61

Bluelab pH 4.0 Calibration Solution 500 ml, pH 7.0 Calibration Solution 500

$6.69

TDS 4 In 1 Meter Digital Water Quality Testing Pen for Drinking Water Multi Use