$14.6

Antonki 2 Pack Soil Moisture Meter, Plant Water Monitor Hygrometer Sensor, So...

$21.43

5 in 1 TDS Meter PH Tester, 0.01 High Accuracy Digital PH Meter for Water, PH/TD

$20.2

Moisture Tester General Tools MMD4E Digital Moisture Meter, Water Leak Detector

$30

Ecowitt WH51L Wireless Multi-Channel Soil Moisture Sensor

$16.69

RAPITEST DIGITAL SOIL LAWN VEGATABLE FLOWER PLANT TEST GARDEN THERMOMETER 1625

$71.95

ESD Digital professional PH Meter Model 59 Engineered Systems & Design USA

$90

Milwaukee Instruments MC310 EC - Conductivity Monitor

$13.99

Lightweight Ground Tester Conductivity Pen for Effective Earthing Connection

$9.19

Soil Moisture Meter, Long Probe Soil Moisture Monitor for House Plants, Soil

$36.5

Hour Meter Gauge 52mm 2 Inch Timer 7 Color Backlight Marine Boat Waterproof

$15.61

SONKIR Soil pH Meter, MS02 3-in-1 Soil Moisture/Light/pH Tester Gardening Tool K

$21.49

2-PACK pH METER RANGE 0.00-14.00 WATER TESTER WITH ATC