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1. Jojomino Digital Ph Tester Pen For Water,0.01 With Atc Function, Backlight

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

   eBay

3. Digital Lab PH Meter Tester Pen Water 0.01 PH Test -2.00-16.00 Litmus Strips Aquarium Hydroponic Measurement Test Pen

   Digital Lab PH Meter Tester Pen Water 0.01 PH Test -2.00-16.00 Litmus Strips Aquarium Hydroponic Measurement Test Pen

   Aliexpress UK

4. Hydroponics pH Pen Digital Meter Tester Stick Nutrient Management Indoor Growing

   Helping the grower calculate the best optimum level to maximise the growth and yield of their crop. Quick Links.

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5. Bluetooth App PH Meter 6 in 1 Water Quality Tester Pen PH EC TDS Salinity SG Temp for Drinking Water Aquariums Hydroponics Pool

   Bluetooth App PH Meter 6 in 1 Water Quality Tester Pen PH EC TDS Salinity SG Temp for Drinking Water Aquariums Hydroponics Pool

   Aliexpress UK

6. Essentials pH Pen Digital Meter Tester Stick Management Hydroponics

   Low battery indicator. Built in energy saving mode.

   eBay

7. TDS Meter 0-9990ppm Digital PH Meter 0.01 PH High Precision Pen Water Tester TDS&PH Meter 0-14 PH LCD PPM Tester Aquarium Filter

   TDS Meter 0-9990ppm Digital PH Meter 0.01 PH High Precision Pen Water Tester TDS&PH Meter 0-14 PH LCD PPM Tester Aquarium Filter

   Aliexpress UK

8. PLANT!T Plant It pH Pen Digital Meter Tester Nutrient Management Hydroponics

   Small and lightweight, it is ideal for any growroom.

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9. TDS Meter 0-9990ppm Digital PH Meter 0.01 PH High Precision Pen Water Tester TDS&PH Meter 0-14 PH LCD PPM Tester Aquarium Filter

   TDS Meter 0-9990ppm Digital PH Meter 0.01 PH High Precision Pen Water Tester TDS&PH Meter 0-14 PH LCD PPM Tester Aquarium Filter

   Aliexpress UK

10. PH Meter LCD Digital Electric Water Tester Pen Hydroponics Aquarium Test Kit UK

    Type: PH Tester. Accuracy: ±0.2PH; ±0.1PH (20°C). Resolution: 0.1PH. Handheld pen style and compact carrying case makes it conveniently fits in your pocket or bag and goes anywhere. Display: LCD Digital.

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11. Digital PH Meter Pen Water Quality Tester Accuracy 0.01 Aquarium Pool Water Wine 0-999ppm Urine Automatic Calibration LCD Screen

    Digital PH Meter Pen Water Quality Tester Accuracy 0.01 Aquarium Pool Water Wine 0-999ppm Urine Automatic Calibration LCD Screen

    Aliexpress UK

12. PH Meter LCD Digital Electric Tester Pen Water Hydroponics Test Kit Aquarium

    Ideal for any aquarium, the fishing industry, swimming pools, spa. school laboratories, food & beverage, drinking water etc. readings are quickly display on a large lcd display.

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13. Digital PH /TDS/ EC Meter Tester Thermometer Pen Water Purity PPM Filter Hydroponic for Aquarium Pool Water Monitor

    Digital PH /TDS/ EC Meter Tester Thermometer Pen Water Purity PPM Filter Hydroponic for Aquarium Pool Water Monitor

    Aliexpress UK

14. PH Meter LCD Digital Electric Tester Pen Water Hydroponics Test Kit Aquarium

    PH Characteristics Resolution: 0.01PH. Error: 0.05PH. Probe type: sensitive low impedance glass bulb.

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15. Digital PH Meter Pen Water Quality Tester Accuracy 0.01 Aquarium Pool Water Wine 0-999ppm Urine Automatic Calibration LCD Screen

    Digital PH Meter Pen Water Quality Tester Accuracy 0.01 Aquarium Pool Water Wine 0-999ppm Urine Automatic Calibration LCD Screen

    Aliexpress UK

16. VIVOSUN Digital pH and TDS Meter Kits,0.01pH High Accuracy Pen Type,UL Certified

    eBay

17. Professional Pen Type PH Meter Portable PH Water Quality Tester Acidometer for Aquarium Acidimeter water PH Probe acidity meter

    Professional Pen Type PH Meter Portable PH Water Quality Tester Acidometer for Aquarium Acidimeter water PH Probe acidity meter

    Aliexpress UK

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