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Moisture & pH Meters | Surplus Network

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

$7.99 USD

4 in 1 PH Tester Soil Water Moisture...

$7.99 USD

NEW WaterGuru Sense Smart Pool Monitoring System Chlorine & pH Pool COMPLETE SET
USA
NEW WaterGuru Sense Smart Pool...

$69.99 USD

NEW WaterGuru Sense Smart Pool...

$69.99 USD

TDS3 PPM Meter Digital Tester Home Drinking Tap Water Quality Purity Test Tester
USA
TDS3 PPM Meter Digital Tester Home...

$6.65 USD

TDS3 PPM Meter Digital Tester Home...

$6.65 USD

VPD Thermometer, Handheld Environmental Monitor, Captures Leaf VPD & Temperature
USA
VPD Thermometer, Handheld...

$29.99 USD

VPD Thermometer, Handheld...

$29.99 USD

Milwaukee Instruments pH600 Digital pH PenFast, accurate results with LCD
USA
Milwaukee Instruments pH600 Digital...

$29.99 USD

Milwaukee Instruments pH600 Digital...

$29.99 USD

7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen
USA
7 in 1 Digital LCD...

$21.48 USD

7 in 1 Digital LCD...

$21.48 USD

7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen
USA
7 in 1 Digital LCD...

$21.48 USD

7 in 1 Digital LCD...

$21.48 USD

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

$7.79 USD

3 in 1 Digital PH Tester Sunlight...

$7.79 USD

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

$7.79 USD

3 in 1 Digital PH Tester Sunlight...

$7.79 USD

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

$6.71 USD

Digital Electric PH Meter LCD Tester...

$6.71 USD

Soil Moisture Meter Hygrometer for Plants Garden Lawn Farm Care
USA
Soil Moisture Meter Hygrometer for...

$8.99 USD

Soil Moisture Meter Hygrometer for...

$8.99 USD

3-in-1 Soil pH Water Moisture Light Tester Meter For Plants Garden Seeding Grow
USA
3-in-1 Soil pH Water Moisture Light...

$8.99 USD

3-in-1 Soil pH Water Moisture Light...

$8.99 USD

5in1 LCD Soil PH Tester Water Moisture Light Test Meter for Garden Plant Seeding
USA
5in1 LCD Soil PH Tester Water...

$8.99 USD

5in1 LCD Soil PH Tester Water...

$8.99 USD

PH Meter for Water Hydroponics Digital PH Tester Pen 0.01Hi-Accuracy Pocket Size
USA
PH Meter for Water Hydroponics...

$8.99 USD

PH Meter for Water Hydroponics...

$8.99 USD

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

$8.99 USD

Digital Electric PH Meter Tester LCD...

$8.99 USD

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

$8.99 USD

Digital Electric PH Meter LCD Tester...

$8.99 USD

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

$8.25 USD

4 in 1 PH Tester Soil Water Moisture...

$8.25 USD

TDS Meter Digital Tester Water Quality Testing Kits for Drinking Water 0-9990ppm
USA
TDS Meter Digital Tester Water...

$6.99 USD

TDS Meter Digital Tester Water...

$6.99 USD

3-in-1 Soil Tester Meter For Garden Lawn Plant Moisture/Light/pH Sensor Tool US
USA
3-in-1 Soil Tester Meter For Garden...

$6.99 USD

3-in-1 Soil Tester Meter For Garden...

$6.99 USD

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

$6.99 USD

3 in1 Soil Tester Water PH Moisture...

$6.99 USD

RAPITEST 1601 SOIL TEST KIT LAWN FLOWER PLANT TEST GARDEN TESTER pH NPK
USA
RAPITEST 1601 SOIL TEST KIT LAWN...

$16.59 USD

RAPITEST 1601 SOIL TEST KIT LAWN...

$16.59 USD

PH Meter Digital PH Tester Pen 0.01 High Accuracy Water Quality Tester
USA
PH Meter Digital PH Tester Pen 0.01...

$13.59 USD

PH Meter Digital PH Tester Pen 0.01...

$13.59 USD

PH Meter Digital PH Tester Pen 0.01 High Accuracy Water Quality Tester
USA
PH Meter Digital PH Tester Pen 0.01...

$13.59 USD

PH Meter Digital PH Tester Pen 0.01...

$13.59 USD

VIVOSUN PH Meter Digital PH Tester Pen 0.01 High Accuracy Water Quality Tester
USA
VIVOSUN PH Meter Digital PH Tester...

$13.59 USD

VIVOSUN PH Meter Digital PH Tester...

$13.59 USD

TDS Meter Digital Water Tester,ppm Meter LCD Display F Drinking Water,Aquariums
USA
TDS Meter Digital Water Tester,ppm...

$13.32 USD

TDS Meter Digital Water Tester,ppm...

$13.32 USD

7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen
USA
7 in 1 Digital LCD...

$20.48 USD

7 in 1 Digital LCD...

$20.48 USD

2Pcs Digital LCD PH Meter Pen +TDS EC Water Purity PPM Temperature Tester Tool
USA
2Pcs Digital LCD PH Meter Pen +TDS EC...

$12.29 USD

2Pcs Digital LCD PH Meter Pen +TDS EC...

$12.29 USD

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

$6.69 USD

Digital Electric PH Meter LCD Tester...

$6.69 USD

Digital PH Meter Tester 0.1 Accuracy PH Meter for Water etc. Portable PH Meter
USA
Digital PH Meter Tester 0.1 Accuracy...

$5.37 USD

Digital PH Meter Tester 0.1 Accuracy...

$5.37 USD

pH Meter Kit, High Precision Digital pH Pen with ±0.1 pH Accuracy for Water
USA
pH Meter Kit, High Precision Digital...

$49.99 USD

pH Meter Kit, High Precision Digital...

$49.99 USD

General Hydroponics pH Control Test Kit - GH 8 oz Up Down Adjustment Combo
USA
General Hydroponics pH Control Test...

$22.88 USD

General Hydroponics pH Control Test...

$22.88 USD

3 in 1 Soil Tester Meter for Garden Lawn Plant Pot Moisture Light Ph Sensor Tool
USA
3 in 1 Soil Tester Meter for Garden...

$6.45 USD

3 in 1 Soil Tester Meter for Garden...

$6.45 USD

pH and TDS Meter Combo
USA
pH and TDS Meter Combo

$12.79 USD

pH and TDS Meter Combo

$12.79 USD

Apera Instruments AI209 PH20 Value Pocket pH Tester Kit
USA
Apera Instruments AI209 PH20 Value...

$19.75 USD

Apera Instruments AI209 PH20 Value...

$19.75 USD

5 in 1 PH Tester Soil Water Moisture Light Test Meter for Garden Plant Growth
USA
5 in 1 PH Tester Soil Water Moisture...

$18.98 USD

5 in 1 PH Tester Soil Water Moisture...

$18.98 USD

4 in 1 Digital PH EC Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen
USA
4 in 1 Digital PH EC Meter LCD Tester...

$18.98 USD

4 in 1 Digital PH EC Meter LCD Tester...

$18.98 USD

Apera Instruments Value Series Ph20 Waterproof Ph Tester Kit Auto Calibration
USA
Apera Instruments Value Series Ph20...

$19.96 USD

Apera Instruments Value Series Ph20...

$19.96 USD

5 in 1 Digital LCD PH/TDS/EC/Salinity/Temperature Water Quality Meter Tester Pen
USA
5 in 1 Digital LCD...

$17.99 USD

5 in 1 Digital LCD...

$17.99 USD

5 in 1 LCD Digital PH/TDS/EC/Salinity/Temperature Water Quality Meter Tester Pen
USA
5 in 1 LCD Digital...

$17.99 USD

5 in 1 LCD Digital...

$17.99 USD

5in1 LCD Digital PH Soil Tester Plant Lawn Water Moisture Temperature Test Meter
USA
5in1 LCD Digital PH Soil Tester Plant...

$17.98 USD

5in1 LCD Digital PH Soil Tester Plant...

$17.98 USD

5 in 1 LCD Digital Soil PH Meter Tester Moisture Humidity LED Light Garden Plant
USA
5 in 1 LCD Digital Soil PH Meter...

$17.98 USD

5 in 1 LCD Digital Soil PH Meter...

$17.98 USD

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

$5.16 USD

Handheld Water Quality Hardness...

$5.16 USD

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

$5.16 USD

Handheld Water Quality Hardness...

$5.16 USD

100 pH Test Strips Soil pH Testing Kit | 0-14 Universal pH Tester Litmus Paper
USA
100 pH Test Strips Soil pH Testing...

$9.16 USD

100 pH Test Strips Soil pH Testing...

$9.16 USD

(40) Soil Test Kit Replacement Capsules pH Test Light NPK Levels Rapitest 1601.9
USA
(40) Soil Test Kit Replacement...

$15.99 USD

(40) Soil Test Kit Replacement...

$15.99 USD

5 in1 LCD Digital Soil PH Meter Tester Temperature Sunlight Fertility Hygrometer
USA
5 in1 LCD Digital Soil PH Meter...

$8.19 USD

5 in1 LCD Digital Soil PH Meter...

$8.19 USD

Compost Soil Thermometer 20 Inch 50 Cm Length Premium Food Grade Stainless Steel
USA
Compost Soil Thermometer 20 Inch 50...

$10.21 USD

Compost Soil Thermometer 20 Inch 50...

$10.21 USD

TDS3 PPM Meter Digital Tester Home Drinking Tap Water Quality Purity Test Tester
USA
TDS3 PPM Meter Digital Tester Home...

$5.99 USD

TDS3 PPM Meter Digital Tester Home...

$5.99 USD

Digital pH Meter Tester 0.0-14.0 pH Range 0.1 pH Resolution ±0.1 pH Accuracy
USA
Digital pH Meter Tester 0.0-14.0 pH...

$5.99 USD

Digital pH Meter Tester 0.0-14.0 pH...

$5.99 USD

pH Standard Calibration Buffer Solution for pH Meter (pH 4-7-10 USA Series)
USA
pH Standard Calibration Buffer...

$19.90 USD

pH Standard Calibration Buffer...

$19.90 USD

[2pack Soil Moisture Meter] Dr.meter Hygrometer Moisture Sensor Meter for Plants
USA
[2pack Soil Moisture Meter] Dr.meter...

$16.99 USD

[2pack Soil Moisture Meter] Dr.meter...

$16.99 USD

3 in 1 Soil Moister Tester Water pH Light Test Meter Kit Gardening Grass Plants
USA
3 in 1 Soil Moister Tester Water pH...

$7.13 USD

3 in 1 Soil Moister Tester Water pH...

$7.13 USD

4 In 1 LCD Digital Soil Tester PH Water Moisture Temperature Sunlight Plant Test
USA
4 In 1 LCD Digital Soil Tester PH...

$9.89 USD

4 In 1 LCD Digital Soil Tester PH...

$9.89 USD

5 in1 LCD Digital PH/TDS/EC/Salinity/Temperature Water Quality Meter Tester Pen
USA
5 in1 LCD Digital...

$16.98 USD

5 in1 LCD Digital...

$16.98 USD

Luster Leaf Rapitest 1609CS Soil Lawn Garden Farm PH NPK Tester Test Testing Kit
USA
Luster Leaf Rapitest 1609CS Soil Lawn...

$10.90 USD

Luster Leaf Rapitest 1609CS Soil Lawn...

$10.90 USD

Soil Moisture Meter 3 in 1 PH Tester Garden Lawn Plant Care Soil Testing Kit
USA
Soil Moisture Meter 3 in 1 PH Tester...

$12.89 USD

Soil Moisture Meter 3 in 1 PH Tester...

$12.89 USD

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

$9.65 USD

LCD PH Meter Tester Digital Electric...

$9.65 USD

Metal Soil Probe Rod - Septic Tank Locator Tool with T Handle, 48 Inch
USA
Metal Soil Probe Rod - Septic Tank...

$28.43 USD

Metal Soil Probe Rod - Septic Tank...

$28.43 USD

Moisture Sensor Meter Soil Water Monitor Hydrometer Garden Farming Plant Flower
USA
Moisture Sensor Meter Soil Water...

$11.99 USD

Moisture Sensor Meter Soil Water...

$11.99 USD

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

$8.39 USD

4 in 1 PH Tester Soil Water Moisture...

$8.39 USD

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

$8.39 USD

4 in 1 PH Tester Soil Water Moisture...

$8.39 USD

LUSTER LEAF 1601 RAPITEST Soil Lawn Garden Farm PH NPK Tester Test Testing Kit
USA
LUSTER LEAF 1601 RAPITEST Soil Lawn...

$16.50 USD

LUSTER LEAF 1601 RAPITEST Soil Lawn...

$16.50 USD

SZHLUX Moisture Meter Water Monitor Soil Hygrometer Sensor Care, Lawn, Farm, Ind
USA
SZHLUX Moisture Meter Water Monitor...

$8.81 USD

SZHLUX Moisture Meter Water Monitor...

$8.81 USD

Soil Moisture Meter Water Sensor Physical inspectionfor Crops Flowers Vegetables
USA
Soil Moisture Meter Water Sensor...

$9.26 USD

Soil Moisture Meter Water Sensor...

$9.26 USD

Moisture Meter Water Monitor Soil Hygrometer Sensor Care, Lawn, Farm, Indoor &..
USA
Moisture Meter Water Monitor Soil...

$9.74 USD

Moisture Meter Water Monitor Soil...

$9.74 USD

Digital LCD Wood Moisture Meter Detector Tester Wood Firewood Paper Cardboard
USA
Digital LCD Wood Moisture Meter...

$13.49 USD

Digital LCD Wood Moisture Meter...

$13.49 USD

Moisture Meter Water Monitor Soil Hygrometer Care Garden Flowers Yard Lawn
USA
Moisture Meter Water Monitor Soil...

$3.05 USD

Moisture Meter Water Monitor Soil...

$3.05 USD

AM Conservation Group MM071-F Soil Moisture Meter - Frog Theme
USA
AM Conservation Group MM071-F Soil...

$6.74 USD

AM Conservation Group MM071-F Soil...

$6.74 USD

10 in1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen
USA
10 in1 Digital LCD...

$28.98 USD

10 in1 Digital LCD...

$28.98 USD

10 in 1 Digital Backlight PH/TDS/EC/ORP/TEMP/SG/Salt Water Quality Tester Meter
USA
10 in 1 Digital Backlight...

$28.98 USD

10 in 1 Digital Backlight...

$28.98 USD

5 In 1 Digital PH/TDS/EC/Salinity/Temperature Water Quality Meter Tester Tool US
USA
5 In 1 Digital...

$19.98 USD

5 In 1 Digital...

$19.98 USD

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

$8.89 USD

Digital Electric PH Meter LCD Tester...

$8.89 USD

Apera Instruments GroStar Series GS1-P pH/ORP Pen Tester Kit With Double Junctio
USA
Apera Instruments GroStar Series...

$66.50 USD

Apera Instruments GroStar Series...

$66.50 USD

Apera Instruments GroStar Series GS1-P pH/ORP Pen Tester Kit With Double Junctio
USA
Apera Instruments GroStar Series...

$66.50 USD

Apera Instruments GroStar Series...

$66.50 USD

TDS Meter/Monitor - Authentic HM Digital DM-1 Inline Dual Channel TDS Monitor
USA
TDS Meter/Monitor - Authentic HM...

$25.95 USD

TDS Meter/Monitor - Authentic HM...

$25.95 USD

RAPITEST 1835 Digital 3 Way Soil ANALYZER Luster Leaf pH Fertility Therm TESTER
USA
RAPITEST 1835 Digital 3 Way Soil...

$28.90 USD

RAPITEST 1835 Digital 3 Way Soil...

$28.90 USD

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

$5.59 USD

Handheld Water Quality Hardness...

$5.59 USD

Digital PH Meter Tester Portable Pocket Water Pool Aquarium Wine Hydroponic
USA
Digital PH Meter Tester Portable...

$8.98 USD

Digital PH Meter Tester Portable...

$8.98 USD

Soil Moisture Meter, Garden Moisture Sensor Hygrometer Soil Water Monitor for...
USA
Soil Moisture Meter, Garden Moisture...

$9.19 USD

Soil Moisture Meter, Garden Moisture...

$9.19 USD

Moisture Meter Water Monitor Soil Hygrometer Sensor Care
USA
Moisture Meter Water Monitor Soil...

$8.47 USD

Moisture Meter Water Monitor Soil...

$8.47 USD

Digital PH Testing Meter Type PH Meter for Hydroponics Aquariums Water Test
USA
Digital PH Testing Meter Type PH...

$13.01 USD

Digital PH Testing Meter Type PH...

$13.01 USD

APERA INSTRUMENTS AI209 Value Series PH20 Waterproof pH Tester Kit
USA
APERA INSTRUMENTS AI209 Value Series...

$36.99 USD

APERA INSTRUMENTS AI209 Value Series...

$36.99 USD

PH Meter for Water pH Tester Digital pH Pen 0.01 High Accuracy pH Reader pH
USA
PH Meter for Water pH Tester Digital...

$7.33 USD

PH Meter for Water pH Tester Digital...

$7.33 USD

Bluelab pH Pen for Plant Germination *New in Box
USA
Bluelab pH Pen for Plant Germination...

$70.25 USD

Bluelab pH Pen for Plant Germination...

$70.25 USD

General Hydroponics pH Control Test Kit - GH 8 oz Up Down Adjustment Combo FAST
USA
General Hydroponics pH Control Test...

$22.89 USD

General Hydroponics pH Control Test...

$22.89 USD

Bluelab MONGUA Guardian Monitor for pH, Temperature, and Conductivity, TDS
USA
Bluelab MONGUA Guardian Monitor for...

$203.50 USD

Bluelab MONGUA Guardian Monitor for...

$203.50 USD

Kelway Soil Tester pH Meter Acidity Tester Made in Japan By Kel Instruments Co
USA
Kelway Soil Tester pH Meter Acidity...

$49.95 USD

Kelway Soil Tester pH Meter Acidity...

$49.95 USD

IUSEIT Soil Moisture Meter,Soil Hygrometer for Plants, Soil Water Gauge Meter In
USA
IUSEIT Soil Moisture Meter,Soil...

$8.54 USD

IUSEIT Soil Moisture Meter,Soil...

$8.54 USD

VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ±
USA
VIVOSUN Digital pH and TDS Meter...

$12.95 USD

VIVOSUN Digital pH and TDS Meter...

$12.95 USD

Digital Ph Meter TDS Tester Aquarium Pool Hydroponic Water Monitor 0-9999 PPM
USA
Digital Ph Meter TDS Tester Aquarium...

$9.99 USD

Digital Ph Meter TDS Tester Aquarium...

$9.99 USD

5 in 1 LCD Digital Soil PH Meter Tester Moisture Humidity LED Light Garden Plant
USA
5 in 1 LCD Digital Soil PH Meter...

$9.99 USD

5 in 1 LCD Digital Soil PH Meter...

$9.99 USD

pH Buffer Calibration Solutions: pH 4.01, pH 7.01, pH 10.01 PREPARED 250/500 mL
USA
pH Buffer Calibration Solutions: pH...

$12.90 USD

pH Buffer Calibration Solutions: pH...

$12.90 USD

Bluelab pH Pen Blue Lab Hydroponic Aquarium Tester Calibration Meter Reader NEW
USA
Bluelab pH Pen Blue Lab Hydroponic...

$85.99 USD

Bluelab pH Pen Blue Lab Hydroponic...

$85.99 USD

Upgrade Wood Moisture Meter Detector Tester Wood For Firewood Cardboard Pinless
USA
Upgrade Wood Moisture Meter Detector...

$25.89 USD

Upgrade Wood Moisture Meter Detector...

$25.89 USD

XLUX Soil Moisture Meter, Plant Water Monitor, Soil Hygrometer Sensor for Garden
USA
XLUX Soil Moisture Meter, Plant Water...

$13.85 USD

XLUX Soil Moisture Meter, Plant Water...

$13.85 USD

RAPITEST 3 in 1 DIGITAL pH, FERTILITY, THERMOMETER SOIL GARDEN PLANT TEST TESTER
USA
RAPITEST 3 in 1 DIGITAL pH,...

$27.99 USD

RAPITEST 3 in 1 DIGITAL pH,...

$27.99 USD

MOEN Smart Wireless Soil Sensor - WISNS002G1USA
USA
MOEN Smart Wireless Soil Sensor -...

$48.00 USD

MOEN Smart Wireless Soil Sensor -...

$48.00 USD

Soil Test Kit Tester pH Test Light NPK Levels Rapitest Ground #1601 (40 Test)
USA
Soil Test Kit Tester pH Test Light...

$16.35 USD

Soil Test Kit Tester pH Test Light...

$16.35 USD

Soil Temperature Thermometer Stainless Steel Ground Temp Meter Gardening Accesso
USA
Soil Temperature Thermometer...

$8.79 USD

Soil Temperature Thermometer...

$8.79 USD

Portable Digital Water Quality Meter Tester LCD PH/TDS/EC/ORP/TEMP/SG/Salinity
USA
Portable Digital Water Quality Meter...

$6.68 USD

Portable Digital Water Quality Meter...

$6.68 USD