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Rapitest 1840 Soil pH Meter Probe ~ Ideal for outdoor use ~ No. 1840

$ 12.13 $ 7.28

Irrometer Watermark Soil Moisture Sensor Water Digital Read Out Meter 30-KTCD-NL

$ 209 $ 125.4

Pin Type Digital Damp Moisture Meter 5-45% for Wood Bamboo Cotton Tobacco Paper

$ 19.48 $ 11.68

Multiparameter pH/ORP/EC/TDS/Salinity/DO/Pressure/ Temperature Waterproof Meter

$ 1759.99 $ 1055.99

Irrometer Watermark Soil Moisture Sensor 15FT Water Conserving Monitor 200SS-15

$ 36.52 $ 21.91

FISHER 640 ACCUMET MINI PH METER WITH 2 PROBES

$ 79.19 $ 47.51

Irrometer Model SR 12”

$ 81.4 $ 48.84

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

$ 15.83 $ 9.49

HM Digital TDS-4TM Aquarium TDS Meter with Digital Thermometer

$ 21.99 $ 13.19

VTG TAIWAN soil tester PROBE Analog pH meter GARDEN TOOL FLORIST FLOWER METER

$ 23.77 $ 14.26

Luster Leaf, Digital Soil Testing Device Kit

$ 35.19 $ 21.11

Apera Instruments AI209 PH20 with Apera 8oz pH Calibration Solution Kit

$ 32.56 $ 19.53

WATERMARK Monitor Model 900M-O Irrometer Data Logger Soil Moisture & Temperature

$ 480.48 $ 288.28

Pyxis SP 910 Portable Water Analyzer

$ 439.89 $ 263.93

Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit

$ 57.2 $ 34.32

Spectrum Field Scout Direct Soil EC Probe #2265 Spear Tester Soil Meat Cheese

$ 167.19 $ 100.31

WATERMARK Monitor Model 900M

$ 764.72 $ 458.83

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

$ 16.7 $ 10.02

YSI 3401 Conductivity Cell Probe Glass K=1.0 92C43190 061866 B03441A for Meter

$ 35.2 $ 21.12

John Deere Hay Windrow Moisture Tester - SW07140

$ 290.02 $ 174.01

Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen

$ 6.38 $ 3.82

Taylor Precision Products 6700 Big & Bold Wall Thermometer, One Size, Black

$ 11.11 $ 6.66

HM Digital Hydroponics Pro Kit HPK-1

$ 140.79 $ 84.47

Hydroponics Nutrient Monitor

$ 202.4 $ 121.44

Apera Instruments AI209 PH20 Value Pocket pH Tester Kit USED

$ 32.55 $ 19.53

3 in 1 Digital PH Tester Sunlight Soil Moisture Meter Detector Plant Garden US

$ 8.78 $ 5.26

HOW TO GARDENING BOOK: Plant Pruning in Pictures: How, When & Where to Prune

$ 4.39 $ 2.63

Lignomat SD-0 Moisture Meter Mini-Ligno S/D

$ 109.11 $ 65.46

Apera pH60S-Z Smart Spear pH Tester for Food and Solid Sampling pH Measurement

$ 237.6 $ 142.56

Gouevn Plant Soil Moisture Meter, Indoor & Outdoor, Hygrometer

$ 14.07 $ 8.44

Hanna HI770710C Sachets (5) pH 7.01 & (5) pH 10.01 Calibration Buffer, exp 11/15

$ 3.52 $ 2.11

VWR SympHony Dissolved Oxygen Meter SP70D Handheld Meter (Need Probe AC Adapter)

$ 875.6 $ 525.36

Milwaukee Automated Portable pH/Temperature Meter #MW102

$ 111.71 $ 67.02

LUSTER LEAF 1818 RAPIDTEST 4-in-1 Mini Soil Plant PH MOISTURE LIGHT Meter Tester

$ 11.42 $ 6.85

Oakton PC2700 Meter w/pH Electrode Conductivity/Temp Probe and Electrode Stand

$ 1428.24 $ 856.94

Oakton Waterproof EcoTestr pH2+

$ 79.15 $ 47.49

TDS EC Salinity S.G. Temperature PH Meter Seawater Tester For Saltwater

$ 17.47 $ 10.48

Milwaukee MW802 Smart 3-in-1 Portable Meter (pH/EC/TDS) ( MW802 )

$ 147.55 $ 88.53

Milwaukee MW600 LED Economy Portable Dissolved Oxygen Meter

$ 183.04 $ 109.82

4 in 1 PH Tester Soil Water Moisture Light Test Meter for Garden Plant Seeding

$ 14.95 $ 8.97

Bluelab PENPH pH Pen for Plant Germination NEW IN BOX

$ 79.2 $ 47.52

PH Meter EC TEMP TDS Water Quality Tester For Household Drinking Water Aquariums

$ 17.47 $ 10.48

Multifunctional 3 In 1 TDS EC PPM LCD Display Water Quality Tester Pen Meter

$ 1.32 $ 0.79

Digital LCD Display Moisture Meter Moisture Tester Timber Damp Detector

$ 16.61 $ 9.96

4 in 1 Digital Water Quality Tester TDS EC Purity Meter TEMP PPM Test Filter Pen

$ 21.85 $ 13.11

Conductivity Tester Aquarium Hydroponics PH/TDS&EC Meter Acidity Water Quality

$ 6.85 $ 4.11

Digital 4 in 1 PH EC TDS TEMP Water Quality Monitor Aquarium Pool Water Tester

$ 25.02 $ 15.01

Portable Soil Ph Meter Tester LCD Display Sunlight Garden Soil Moisture Digital

$ 16.61 $ 9.96

AZ86031 Water Quality Meter PH/Conductivity/Salinity/D.O/TDS Tester all in 1

$ 341.96 $ 205.18

3-in-1 Houseplants Soil PH Tester Soil Meter Photometry Moisture Light Detector

$ 9.13 $ 5.48

FOSSA Quick-Read Scientific Soil & Water PH Meter: Perfect for Pools & Gardens

$ 9.67 $ 5.8

Soil Moisture Meter Water Sensor Monitor Garden Yard Lawn Hygrometers In/Outdoor

$ 6.32 $ 3.79

3 In1 Soil Tester Water PH Moisture Light Test Meter Kit for Garden Plant Flower

$ 7.2 $ 4.32

Apera Instruments AI209 Value Series PH20 Waterproof pH Tester Kit, Great Cond.

$ 26.4 $ 15.83

Digital Electric PH Meter Water Pen Tester Pocket for Pool Hydroponics Aquarium

$ 8.79 $ 5.27

Luster Leaf 1860 Rapitest Electronic Garden Soil Tester for Plants and Flowers

$ 16.27 $ 9.76

Portable Soil Sample Probe - Tubular Contractor Grade Stainless Steel Core Area

$ 11.76 $ 7.05

Kelway Soil Tester pH. wlCase Works

$ 30.8 $ 18.48

3 in1 Soil Tester Water PH Moisture Light Test Meter Kit For Garden Plant Flower

$ 1.1 $ 0.66

Sonkir SOIL pH METER MS02 3-in-1 Moisture/Light/pH Tester Flower Gardening Tool.

$ 9.68 $ 5.8

Digital LCD Water Quality Testing Pen Purity Filter TDS Meter Tester 0-9990 PPM

$ 8.1 $ 4.86

Industrial acidity meter Digital Auto pH meter Controller Monitor Sensor USA

$ 78.36 $ 47.01

2 Luster Leaf RAPITEST pH Soil TESTER 10 pk Color Comparator/Capsule System 1612

$ 16.62 $ 9.97

GARDEN TUTOR SOIL pH TEST STRIPS (pH 3.5 - 9) (100 STRIPS) (NEW IN BOX)

$ 13.19 $ 7.91

USED Milwaukee MW102 Smart Portable pH Meter Microprocessor Based with ATC

$ 203.98 $ 122.39

blue lab inline

$ 391.6 $ 234.96

Digital Electric PH Meter LCD Tester Hydroponics Aquarium Water Pocket Test Pen

$ 7.92 $ 4.75

24" Irrometer Soil Moisture Monitor Tensiometer SR Meter Instrument Sensor Probe

$ 83.16 $ 49.89

Eden 25417 Soil Moisture Sensor for Bluetooth | Digital Water Timer, Wireless Te

$ 30.68 $ 18.41

John Deere Hay Bale Handheld Moisture Tester with Calibration Clip - SW007320

$ 222.66 $ 133.59

Oakton pHTestr 30 Waterproof pH Tester 30 Pocket

$ 112.61 $ 67.56

Luster Leaf Rapitest Digital Soil Garden Plant pH Meter Sensor Tester (2-Pack)

$ 22.81 $ 13.69

THERMO ORION Model 410 PH METER w Manual

$ 85.8 $ 51.48

Milwaukee PH55 Waterproof PH Tester Meter

$ 56.32 $ 33.79

[4 in 1] PH Tester Soil Water Moisture Light Meter for Garden Plant Seeding LCD

$ 14.07 $ 8.44

15 Pack pH Buffer Calibration Solution Powder pH 6.86/4.01/9.18 for Precisely...

$ 13.12 $ 7.87

Luster Leaf Rapitest 1609CS Soil Lawn Garden Farm PH NPK Test Testing Kit ~ 2 PK

$ 10.47 $ 6.28

Luster Leaf Rapitest 1609CS Soil Lawn Garden Farm PH NPK Tester Kit

$ 8.35 $ 5.01

Garden Soil Tester Kit - Testing / Test Soil pH, Nitrogen, Phosphorus And Potash

$ 24.54 $ 14.72

Fiskars 399241-1002 Micro-Tip Pruning Snips, Non-Stick Blades, 2 Count, Orange

$ 26 $ 15.6

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

$ 17.59 $ 10.55

John Deere Hay Moisture Tester Handheld with Pistol-Grip - SW16326

$ 203.77 $ 122.26

HM Digital Portable pH/EC/TDS/Temp Monitor HM-200

$ 197.99 $ 118.79

Precise Eniva Ionic Strength Indicator ISI-400 with LED Display

$ 300.95 $ 180.57

Luster Leaf 1601 Rapitest® Soil Test Kit for testing the best soil conditions

$ 25.51 $ 15.3

Multi-Functional Mini Portable Water Quality Analyzer Meter Purity Testing Meter

$ 52.79 $ 31.67

PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket

$ 11.33 $ 6.8

Greenlee Infrared Thermometer TG-600

$ 52.79 $ 31.67

Sustee Aquameter, Plant Moisture Sensor, Set of 2 (Green, Large)

$ 18.47 $ 11.08

Digital Industrial PH Controller PH Meter Electrode Sensor Monitor Dual Relay US

$ 78.34 $ 47

LCD Digital pH Meter Tester Pen 0.01pH ATC Waterproof for Aquarium Pool Lab DIY

$ 13.1 $ 7.86

2 in 1 pH Temperature Meter Monitor Tester Sensor 0~14.0pH Measure Range for Lab

$ 48.06 $ 28.83

Portable 4 in 1 LCD TDS/EC/PH/TEMP Meter Digital Water Quality Tester Purity Pen

$ 8.43 $ 5.06

6 NEW Wormie Water Sensor TERRACOTTA CERAMIC 4 Inch Worm Terra cotta

$ 18.7 $ 11.22

15-Pack pH Meter Buffer Solution Powder for Precise and Easy PH Calibration, ...

$ 10.66 $ 6.39

Digital Medidor de Ph / Tds LCD pen testing PH Solvent Ácido y álcali Paper Chec

$ 7.91 $ 4.74

Digital LCD PH Meter 3 in 1 TDS & EC Aquarium Hydroponic Water Filter Tester Pen

$ 14.95 $ 8.97

2-in-1 Digital Soil Tester Moisture/pH Meter Widely Used No Battery Needed NEW

$ 11.04 $ 6.62

Medidor De Ph Del Suelo Medidor De Humedad 3-in-1 Uso en Interiores y Exteriores

$ 9.66 $ 5.79

Digital PH Meter +TDS & EC Water Quality Tester + pH Test Strips Water Tester

$ 14.55 $ 8.73