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    • eBay
    • ph test

    ph test

    Side Refine Panel

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    • Time: ending soonest
    • Time: newly listed
    • Price + Shipping: lowest first
    • Price + Shipping: highest first
    • Distance: nearest first
    • List View

    13,643 Results

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

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

      4.5 out of 5 stars (170)170 product ratings - Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen
      $8.99
      Was: $11.99
      or Best Offer
    • 160x pH Indicator Test Strips 1-14 Laboratory Paper Litmus Tester Urine Saliva

      160x pH Indicator Test Strips 1-14 Laboratory Paper Litmus Tester Urine Saliva

      $5.98
      6,494 sold
    • 80x pH Indicator Test Strips 1-14 Paper Litmus Tester Urine Saliva

      80x pH Indicator Test Strips 1-14 Paper Litmus Tester Urine Saliva

      $2.79
      or Best Offer
    • Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen

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

      $8.89
      Free shipping
    • 80x pH Indicator Test Strips 1-14 Laboratory Paper Litmus Tester Urine Saliva

      80x pH Indicator Test Strips 1-14 Laboratory Paper Litmus Tester Urine Saliva

      $3.50
      1,940 sold
    • pH Test Strips 0 to 14 (200 ct) for Urine, Saliva, Drinking Water, Kombucha

      pH Test Strips 0 to 14 (200 ct) for Urine, Saliva, Drinking Water, Kombucha

      $10.99
      533 sold
    • pH Paper Test Strips 1 Litmus 14 Indicator Urine Saliva Tester Water

      pH Paper Test Strips 1 Litmus 14 Indicator Urine Saliva Tester Water

      $2.49
      Free shipping
    • pH Test Drops pH Reagent Kit Alkaline Water Tester Drinking Water Test - 2pk

      pH Test Drops pH Reagent Kit Alkaline Water Tester Drinking Water Test - 2pk

      5 out of 5 stars (17)17 product ratings - pH Test Drops pH Reagent Kit Alkaline Water Tester Drinking Water Test - 2pk
      $13.95
    • 320x 1-14 pH Indicator Test Strips Laboratory Paper Litmus Tester Urine Saliva

      320x 1-14 pH Indicator Test Strips Laboratory Paper Litmus Tester Urine Saliva

      $7.58
    • 4 In 1 LCD Digital Soil Tester PH Water Moisture Temperature Sunlight Plant Test

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

      $11.95
    • 4 in 1 Soil Tester PH Water Moisture Light Test Meter for Garden Plant Seeding

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

      $7.98 to $13.98
      34 sold
    • LCD PH Meter Tester Digital Electric Water Test Pen Pocket Hydroponics Aquarium

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

      $8.99
    • 80 Strips Full Range pH Alkaline Acid 1-14 Test Paper Water Litmus Testing Kit

      80 Strips Full Range pH Alkaline Acid 1-14 Test Paper Water Litmus Testing Kit

      $2.49
      Free shipping
    • 4 in 1 LCD Digital PH Tester Soil Water Moisture Light Temperature Test Meter

      4 in 1 LCD Digital PH Tester Soil Water Moisture Light Temperature Test Meter

      $13.91
      or Best Offer
      89 sold
    • 4 in 1 LCD Digital PH Tester Soil Water Moisture Light Temperature Test Meter US

      4 in 1 LCD Digital PH Tester Soil Water Moisture Light Temperature Test Meter US

      5 out of 5 stars (4)4 product ratings - 4 in 1 LCD Digital PH Tester Soil Water Moisture Light Temperature Test Meter US
      $12.98
      Was: $24.48
      $1.99 shipping
      or Best Offer
    • Swimming 2 Way Liquid Test Kit - Ph & Chlorine Levels For Swimming Pool Water

      Swimming 2 Way Liquid Test Kit - Ph & Chlorine Levels For Swimming Pool Water

      $9.98
      Free shipping
    • LCD Digital Electric PH Meter Tester Pocket Hydroponics Aquarium Water Test Pen

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

      $8.98
      Free shipping
    • Laboratory 80 pH Indicator Test Strips 1-14 Paper Litmus Tester Urin-wa

      Laboratory 80 pH Indicator Test Strips 1-14 Paper Litmus Tester Urin-wa

      $1.12
      Free shipping
      or Best Offer
    • 80 pH Test Strips Litmus Test Paper Full Range 1-14 pH Acidic Alkaline Indicator

      80 pH Test Strips Litmus Test Paper Full Range 1-14 pH Acidic Alkaline Indicator

      $1.93
      Free shipping
      or Best Offer
      3,892 sold
    • 160x pH Indicator Test Strips 1-14 Laboratory Paper Litmus Tester Urine Saliva

      160x pH Indicator Test Strips 1-14 Laboratory Paper Litmus Tester Urine Saliva

      $3.99
      Free shipping
    • Laboratory 160 pH Indicator Test Strips 1-14 Paper Litmus Tester Urine & Saliva

      Laboratory 160 pH Indicator Test Strips 1-14 Paper Litmus Tester Urine & Saliva

      $3.99
      Free shipping
    • 3 in1 Soil Tester Water PH Moisture Light Test Meter Kit For Plant Seeding Tool

      3 in1 Soil Tester Water PH Moisture Light Test Meter Kit For Plant Seeding Tool

      $7.59
      208 sold
    • LUSTER LEAF 1601 RAPITEST Soil Lawn Garden Farm PH NPK Tester Test Testing Kit

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

      $16.20
      638 sold
    • 80x pH Indicator Test Strips 1-14 Laboratory Paper Litmus Tester Urine Saliva

      80x pH Indicator Test Strips 1-14 Laboratory Paper Litmus Tester Urine Saliva

      $3.25
      541 sold
    • 1 Pack / 80 strips of pH 5.5-9.0 Special Indicator Paper test Lab Water Soil

      1 Pack / 80 strips of pH 5.5-9.0 Special Indicator Paper test Lab Water Soil

      $2.49
      Free shipping

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