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    • 2Pcs Digital LCD PH Meter Pen +TDS EC Water Purity PPM Temperature Tester Tool - Image 1 of 4
    • 2Pcs Digital LCD PH Meter Pen +TDS EC Water Purity PPM Temperature Tester Tool - Image 2 of 4
    • 2Pcs Digital LCD PH Meter Pen +TDS EC Water Purity PPM Temperature Tester Tool - Image 3 of 4
    • 2Pcs Digital LCD PH Meter Pen +TDS EC Water Purity PPM Temperature Tester Tool - Image 4 of 4

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

    Brand New
    $14.95
    Free shipping
    1,866 sold
    • PH Meter and TDS Meter Combo-PPM Digital Water Quality Tester-for Drinking Water - Image 1 of 4
    • PH Meter and TDS Meter Combo-PPM Digital Water Quality Tester-for Drinking Water - Image 2 of 4
    • PH Meter and TDS Meter Combo-PPM Digital Water Quality Tester-for Drinking Water - Image 3 of 4
    • PH Meter and TDS Meter Combo-PPM Digital Water Quality Tester-for Drinking Water - Image 4 of 4

    PH Meter and TDS Meter Combo-PPM Digital Water Quality Tester-for Drinking Water

    Brand New
    $9.99
    Free shipping
    101 sold
    • HM Digital Portable pH/EC/TDS/Temp Monitor HM-200 - Image 1 of 2
    • HM Digital Portable pH/EC/TDS/Temp Monitor HM-200 - Image 2 of 2

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

    Brand New ยท HM Digital
    $224.99
    or Best Offer
    Free shipping
    13 watching
    • pH & TDS Meter Combo, 0.05ph High Accuracy pH Meter & 3-in-1 TDS EC Temperature - Image 1 of 4
    • pH & TDS Meter Combo, 0.05ph High Accuracy pH Meter & 3-in-1 TDS EC Temperature - Image 2 of 4
    • pH & TDS Meter Combo, 0.05ph High Accuracy pH Meter & 3-in-1 TDS EC Temperature - Image 3 of 4
    • pH & TDS Meter Combo, 0.05ph High Accuracy pH Meter & 3-in-1 TDS EC Temperature - Image 4 of 4

    pH & TDS Meter Combo, 0.05ph High Accuracy pH Meter & 3-in-1 TDS EC Temperature

    Brand New
    $9.99 to $15.99
    Free shipping
  • RAPITEST 1835 Digital 3 Way Soil ANALYZER Luster Leaf pH Fertility Therm TESTER - Image 1 of 4

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

    Brand New ยท Luster Leaf
    (91)
    $28.90
    Free shipping
    1,437 sold
  • 7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen - Image 1 of 4

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

    Brand New ยท Unbranded
    $21.47
    Free shipping
  • Rapitest 4 Way Garden Soil PH Temp Fertility UV Meter Analyzer NEW 1880 Tester - Image 1 of 1

    Rapitest 4 Way Garden Soil PH Temp Fertility UV Meter Analyzer NEW 1880 Tester

    Brand New ยท Luster Leaf
    (33)
    $26.90
    Trending at $28.07

    eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.

    Free shipping
    125 sold
  • Soil Tester Meter 2 in 1 pH and Fertility Analizer Garden Tester Impact-Proof - Image 1 of 4

    Soil Tester Meter 2 in 1 pH and Fertility Analizer Garden Tester Impact-Proof

    Brand New
    $12.95
    Free shipping
  • WATERPROOF EC/TDS/TEMP COMBO METER (HM COM-100) Temperature Digital LCD Screen - Image 1 of 2

    WATERPROOF EC/TDS/TEMP COMBO METER (HM COM-100) Temperature Digital LCD Screen

    Brand New ยท HM Digital
    $52.00
    Free shipping
    8 watching
  • RAPITEST 4 WAY 1880 SOIL LAWN FLOWER PLANT TEST METER GARDEN TESTER pH NPK - Image 1 of 2

    RAPITEST 4 WAY 1880 SOIL LAWN FLOWER PLANT TEST METER GARDEN TESTER pH NPK

    Brand New ยท Luster Leaf
    (33)
    $29.95
    Free shipping
    100 sold
  • iSpring Digital TDS Meter Home Drinking Tap Water Quality Purity Test Tester PPM - Image 1 of 4

    iSpring Digital TDS Meter Home Drinking Tap Water Quality Purity Test Tester PPM

    Brand New ยท VIVOSUN
    (22)
    $23.19
    or Best Offer
    Free shipping
    94 sold
  • Bluelab Guardian Monitor Wi-Fi for Real-time pH, Temperature, Conductivity, ... - Image 1 of 2

    Bluelab Guardian Monitor Wi-Fi for Real-time pH, Temperature, Conductivity, ...

    Brand New ยท Bluelab
    $319.99
    or Best Offer
    Free shipping
  • VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type ยฑ 2%... - Image 1 of 1

    VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type ยฑ 2%...

    Open Box ยท VIVOSUN
    (22)
    $24.50
    or Best Offer
    $3.00 shipping
    0 bids
    18h 44m
  • HM Digital Portable pH/EC/TDS/Temp Monitor HM-200 - Image 1 of 2

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

    Brand New ยท HM Digital
    $207.99
    Free shipping
  • Brand new BLUELAB Combo Meter Plus - Hydroponics & Soil - Authorized Dealer - Image 1 of 1

    Brand new BLUELAB Combo Meter Plus - Hydroponics & Soil - Authorized Dealer

    Brand New ยท Bluelab
    $329.99
    Free shipping
    Only 1 left!
  • 6in1 Soil Tester Soil Fertility Humidity Tester U2C7 - Image 1 of 4

    6in1 Soil Tester Soil Fertility Humidity Tester U2C7

    Brand New ยท Unbranded
    $53.37
    Free shipping
  • LUSTER LEAF 4 WAY SOIL FLOWER GARDEN PLANT TEST TESTER pH LIGHT MOISTURE METER - Image 1 of 2

    LUSTER LEAF 4 WAY SOIL FLOWER GARDEN PLANT TEST TESTER pH LIGHT MOISTURE METER

    Brand New ยท Luster Leaf
    (59)
    $14.75
    Free shipping
  • Brookstone PlantSmart 3-in-1 Plant Tool Moisture/pH/Light Levels Meter Tested - Image 1 of 4

    Brookstone PlantSmart 3-in-1 Plant Tool Moisture/pH/Light Levels Meter Tested

    Pre-Owned ยท Brookstone
    $13.99
    or Best Offer
    Free shipping
  • RAPITEST pH MOISTURE SOIL LAWN FLOWER PLANT TEST METER GARDEN TESTER - Image 1 of 2

    RAPITEST pH MOISTURE SOIL LAWN FLOWER PLANT TEST METER GARDEN TESTER

    Brand New ยท Luster Leaf
    (29)
    $12.49
    Free shipping
  • Soil Tester for Adequate Light, Moisture & pH - Image 1 of 4

    Soil Tester for Adequate Light, Moisture & pH

    Pre-Owned
    $1.00
    $9.70 shipping
    0 bids
    9h 49m
  • Digital Water Quality Tester TDS EC Electric PPM PH Reader for Drinking Water - Image 1 of 4

    Digital Water Quality Tester TDS EC Electric PPM PH Reader for Drinking Water

    Brand New ยท Unbranded
    $8.39 to $14.99
    $10.00 shipping
    24 sold
  • VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen 6.1x1.22 in, Combo - Image 1 of 4

    VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen 6.1x1.22 in, Combo

    Brand New ยท VIVOSUN
    (22)
    $13.99
    $4.71 shipping
  • VIVOSUN 305130-PEN PH and TDS Meter Combo Kit - Image 1 of 1

    New ListingVIVOSUN 305130-PEN PH and TDS Meter Combo Kit

    Open Box ยท VIVOSUN
    (22)
    $15.20
    or Best Offer
    $7.01 shipping
  • RAPITEST ELECTRONIC SOIL PLANT VEGETABLE FLOWER LAWN GARDEN TESTER pH N-P-K - Image 1 of 2

    RAPITEST ELECTRONIC SOIL PLANT VEGETABLE FLOWER LAWN GARDEN TESTER pH N-P-K

    Brand New ยท Rapitest
    $21.99
    Free shipping
  • HM Digital ORP-200 Waterproof ORP Meter - Image 1 of 3

    HM Digital ORP-200 Waterproof ORP Meter

    Pre-Owned ยท HM Digital
    (1)
    $45.00
    Free shipping
  • VIVOSUN 305130-PEN PH and TDS Meter Combo Kit new in OPEN box HANDHELD PORTABLE - Image 1 of 4

    VIVOSUN 305130-PEN PH and TDS Meter Combo Kit new in OPEN box HANDHELD PORTABLE

    Open Box ยท VIVOSUN
    (22)
    $17.75
    Free shipping
  • LaMotte 1055 Model EP Soil Sampling Tube for Examination & Testing Made of Steel - Image 1 of 1

    LaMotte 1055 Model EP Soil Sampling Tube for Examination & Testing Made of Steel

    Brand New ยท LaMotte
    $36.54
    Was: $59.99was - US $59.99
    Free shipping
  • Soil Tester Rapitest: 4 In 1 Mini pH Light NPL #1818 - Image 1 of 3

    Soil Tester Rapitest: 4 In 1 Mini pH Light NPL #1818

    Brand New ยท Rapitest
    $14.78
    Free shipping
  • 2Pcs Digital LCD Meter Pen TDS EC Water Purity PPM Temp Tester Tool Swimming US - Image 1 of 4

    2Pcs Digital LCD Meter Pen TDS EC Water Purity PPM Temp Tester Tool Swimming US

    Brand New ยท Unbranded
    $10.55
    or Best Offer
    Free shipping
  • 3 Way Soil Meter, pH Meter, 3-in-1 Tester Kit for Moisture, Light & pH New - Image 1 of 4

    3 Way Soil Meter, pH Meter, 3-in-1 Tester Kit for Moisture, Light & pH New

    Brand New
    $10.00
    or Best Offer
    $4.00 shipping
  • RAPITEST ELECTRONIC SOIL PLANT VEGETABLE FLOWER LAWN GARDEN TESTER pH N-P-K - Image 1 of 2

    RAPITEST ELECTRONIC SOIL PLANT VEGETABLE FLOWER LAWN GARDEN TESTER pH N-P-K

    Brand New ยท Rapitest
    $15.00
    or Best Offer
    $6.30 shipping
  • 3-in-1 Digital Meter Pen TDS EC Water Purity PPM Temp Tester Tool For Hydroponic - Image 1 of 4

    3-in-1 Digital Meter Pen TDS EC Water Purity PPM Temp Tester Tool For Hydroponic

    Brand New ยท Unbranded
    $7.99
    or Best Offer
    Free shipping
  • HI9813-6 Portable pH / EC /TDS /Temperature Meter with "CAL Check" - Image 1 of 1

    HI9813-6 Portable pH / EC /TDS /Temperature Meter with "CAL Check"

    Brand New ยท Hanna
    (2)
    $265.00
    Free shipping
    3 watching
  • RAPITEST 1835 Digital 3 Way Soil ANALYZER Luster Leaf pH Fertility Therm TESTER - Image 1 of 3

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

    Brand New ยท Luster Leaf
    (91)
    $27.99
    Trending at $28.90

    eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.

    $6.00 shipping
  • RAPITEST 4 WAY 1880 SOIL LAWN FLOWER PLANT TEST METER GARDEN TESTER pH NPK - Image 1 of 4

    RAPITEST 4 WAY 1880 SOIL LAWN FLOWER PLANT TEST METER GARDEN TESTER pH NPK

    Brand New ยท Luster Leaf
    (33)
    $25.00
    or Best Offer
    Trending at $28.07

    eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.

    $7.01 shipping
  • Rapitest 4 Way Garden Soil PH Temp Fertility UV Meter Analyzer NEW 1880 Tester - Image 1 of 2

    Rapitest 4 Way Garden Soil PH Temp Fertility UV Meter Analyzer NEW 1880 Tester

    Brand New ยท Luster Leaf
    (33)
    $13.72
    Was: $24.95was - US $24.95
    $8.64 shipping
  • NOS PLANTSMART - TOOLS THAT THINK - Plant Soil Measuring Device-BROOKSTONE - Image 1 of 4

    NOS PLANTSMART - TOOLS THAT THINK - Plant Soil Measuring Device-BROOKSTONE

    Brand New ยท Brookstone
    $22.50
    or Best Offer
    $10.65 shipping
  • 4-Way Soil Analyzer Compact Portable Tester Gardening - Image 1 of 2

    4-Way Soil Analyzer Compact Portable Tester Gardening

    Open Box ยท Luster Leaf
    (33)
    $20.00
    or Best Offer
    $6.35 shipping
  • 3 in 1 Soil Meter Tester 4 Adequate Light Moisture Soil pH Gardening Plant Care - Image 1 of 4

    3 in 1 Soil Meter Tester 4 Adequate Light Moisture Soil pH Gardening Plant Care

    Brand New
    $13.95
    Free shipping
  • Bluelab Guardian Monitor - pH EC and Temperature Monitor Blue Lab - Image 1 of 2

    Bluelab Guardian Monitor - pH EC and Temperature Monitor Blue Lab

    Brand New ยท Bluelab
    (3)
    $429.00
    Free shipping
  • HM Digital Portable pH/EC/TDS/Temp Monitor HM-200 - Image 1 of 1

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

    Brand New ยท HM Digital
    $224.50
    Free shipping
  • LENINK 3 - Way Soil Meter Tester Probe for Gardening NEW !!! - Image 1 of 4

    LENINK 3 - Way Soil Meter Tester Probe for Gardening NEW !!!

    Brand New
    $15.95
    $5.00 shipping
  • Plantsmart Brookstone Plant Soil Measuring Device Keeps Plants Healthy - Image 1 of 4

    Plantsmart Brookstone Plant Soil Measuring Device Keeps Plants Healthy

    Open Box ยท Brookstone
    $25.89
    or Best Offer
    $7.42 shipping
  • Bluelab Guardian Monitor Connect In-Line connect app - Image 1 of 4

    Bluelab Guardian Monitor Connect In-Line connect app

    Brand New ยท Bluelab
    (1)
    $450.00
    or Best Offer
    $12.58 shipping
  • VIVOSUN 305130-PEN PH and TDS Meter Combo Kit - Image 1 of 3

    VIVOSUN 305130-PEN PH and TDS Meter Combo Kit

    Open Box ยท VIVOSUN
    (22)
    $14.99
    $7.01 shipping
  • 3 Way Soil Meter Tester for Adequate Light Moisture Soil pH Gardening Plant Care - Image 1 of 4

    3 Way Soil Meter Tester for Adequate Light Moisture Soil pH Gardening Plant Care

    Brand New
    $11.99
    Free shipping
  • 3 Way Soil Meter, pH Meter, 3-in-1 Tester Kit for Moisture, Light & pH, New - Image 1 of 1

    3 Way Soil Meter, pH Meter, 3-in-1 Tester Kit for Moisture, Light & pH, New

    Brand New
    $12.99
    Free shipping
  • 3 Way Soil Meter Tester for Adequate Light Moisture Soil pH Gardening Plant Care - Image 1 of 4

    3 Way Soil Meter Tester for Adequate Light Moisture Soil pH Gardening Plant Care

    Brand New
    $4.99
    Was: $9.99was - US $9.99
    $6.30 shipping
  • RAPITEST ELECTRONIC SOIL TESTER Luster Leaf Fruit Veggies Plants Grass New - Image 1 of 4

    RAPITEST ELECTRONIC SOIL TESTER Luster Leaf Fruit Veggies Plants Grass New

    Brand New ยท Rapitest
    $13.41
    Was: $14.90was - US $14.90
    or Best Offer
    $4.95 shipping
  • VIVOSUN pH and TDS Meter Combo, High Accuracy Pen Type.A9 657 - Image 1 of 2

    VIVOSUN pH and TDS Meter Combo, High Accuracy Pen Type.A9 657

    Open Box ยท VIVOSUN
    (22)
    $17.99
    Free shipping
  • Brand new BLUELAB Combo Meter Plus - Image 1 of 1

    Brand new BLUELAB Combo Meter Plus

    Brand New ยท Bluelab
    $330.00
    or Best Offer
    $9.88 shipping
  • Rapitest 4 Way Garden Soil PH Temp Fertility UV Meter Analyzer NEW 1880 Tester - Image 1 of 4

    Rapitest 4 Way Garden Soil PH Temp Fertility UV Meter Analyzer NEW 1880 Tester

    Brand New ยท Luster Leaf
    (33)
    $25.90
    or Best Offer
    Trending at $28.07

    eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.

    $4.57 shipping
  • 7 In 1 Water Quality Test Pen PH/ TDS/EC/ORP/Salinity /S. G/ Temperature Tester. - Image 1 of 4

    7 In 1 Water Quality Test Pen PH/ TDS/EC/ORP/Salinity /S. G/ Temperature Tester.

    Brand New ยท Unbranded
    $65.99
    or Best Offer
    $6.00 shipping
  • Plant Care 3-Way Soil Meter Tester for Adequate Light Moisture Soil pH Gardening - Image 1 of 2

    Plant Care 3-Way Soil Meter Tester for Adequate Light Moisture Soil pH Gardening

    Brand New
    $17.99
    or Best Offer
    Free shipping
  • HM Digital Portable pH/EC/TDS/Temp Monitor HM-200 - Image 1 of 4

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

    Pre-Owned ยท HM Digital
    $99.00
    Free shipping
  • Soil Moisture Meter Sunlight PH Acidity 3-in-1 Soil Tester Kit for Garden Farm - Image 1 of 4

    Soil Moisture Meter Sunlight PH Acidity 3-in-1 Soil Tester Kit for Garden Farm

    Brand New ยท Dr.Meter
    $12.49
    $7.00 shipping
  • 3 Way Soil Meter, pH Meter, 3-in-1 Tester Kit for Moisture, Light & pH - Image 1 of 1

    3 Way Soil Meter, pH Meter, 3-in-1 Tester Kit for Moisture, Light & pH

    Brand New
    $3.93
    $8.19 shipping
  • 3 Way Soil Meter, pH Meter, 3-in-1 Tester Kit for Moisture, Light & pH New - Image 1 of 4

    3 Way Soil Meter, pH Meter, 3-in-1 Tester Kit for Moisture, Light & pH New

    Brand New
    $7.66
    Was: $10.95was - US $10.95
    or Best Offer
    $4.50 shipping
  • Testeronics PH Meter and TDS Meter Kit for Practical Water Testing - Image 1 of 4

    Testeronics PH Meter and TDS Meter Kit for Practical Water Testing

    Brand New
    $19.00
    Was: $20.00was - US $20.00
    $8.85 shipping
  • 3 in1 Soil Tester Water PH Moisture Light Test Meter Kit for Garden Flower Plant - Image 1 of 4

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

    Brand New ยท Unbranded
    $5.99
    $35.00 shipping

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