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  1. 7 IN 1 Chlorine Dip Test Strips for Hot Tub SPA Swimming Pool PH Tester Paper

    Test range for total alkalinity: 0 ~ 240 ppm. This pool ph test kit has anti-VC interference ability,The accuracy is 96%. Total chlorine test range: 0 ~ 10 ppm. Free chlorine test range: 0 ~ 10ppm. PH test range: 6.8 ~ 8.4.

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  2. Portable Digital PH Pen Type Acidity Measuring Meter High Precision 0.01 PH Tester Pool Aquarium Water Quality Test Tool

    Portable Digital PH Pen Type Acidity Measuring Meter High Precision 0.01 PH Tester Pool Aquarium Water Quality Test Tool

    Aliexpress UK

  3. 50 X Chlorine Dip Test Strips Hot Tub Swimming Pool Water PH Tester CWTS50

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  4. 3 In1 Soil Water Moisture PH Meter Garden Plant Acidity Humidity Sunlight Light PH Test Flowers Moist Detector Tester Instrument

    3 In1 Soil Water Moisture PH Meter Garden Plant Acidity Humidity Sunlight Light PH Test Flowers Moist Detector Tester Instrument

    Aliexpress UK

  5. 4pcs pH Test Strips 80 Litmus Indicator Papers Tester Alkaline Testing Red New

    Litmus papers are used to determine the pH level of a liquid and determine if a solution is basic. Widely used for industrial chemical testing, science education, laboratory use, drinking water, aquariums, and classroom analytical chemistry.SpecificationTesting Paper Size: 54mmx9mm (L*W)Overall Size: 70mmx45mmx5mm (L*W*H)Packing List: 4 x Litmus Test Kit (80/Pack,320pcs)AdvantageCan be used to determine the strength of acid and base conveniently. Sensitive to the environment and temperature changes.InstructionDipping the test paper into a solution and observing the change in color of the paper. After one second read the pH value. If the test paper turns blue, the solution is alkaline.NOTENot applicable for oil and acid-base solutions with a concentration of less than 0.01%. Should be stored in a dry place protected from light.

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  6. LY101 Soil PH Meter 3-in-1 Soil Tester Plant Moisture Fertility PH Detector Garden Soil Moisture Meter Soil Fertility Meter

    LY101 Soil PH Meter 3-in-1 Soil Tester Plant Moisture Fertility PH Detector Garden Soil Moisture Meter Soil Fertility Meter

    Aliexpress UK

  7. 16 in 1 50pcs Water Test Kit Spa Pool Drinking Water Test Strips PH Tester UK

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  8. PH Meter Tester Analyzer for Arduino PH Electrode Sensor Probe + Analog Sensor Board for Aquaculture Aquarium Water Quality Test

    PH Meter Tester Analyzer for Arduino PH Electrode Sensor Probe + Analog Sensor Board for Aquaculture Aquarium Water Quality Test

    Aliexpress UK

  9. 160x pH Indicator Test Strips 1-14 Laboratory Paper Litmus Tester Urine Saliva

    PH test paper is a kind of test paper mixed with various indicators to detect acid and alkali substances. There are 14 color cards to judge the pH value content. Different pH content has different color changes.

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  10. Professional Soil PH Meter 4 In1 LCD Temperature Solar Moisture PH Garden Soil Tester LCD Display Gardening Tool for Plant Care

    Professional Soil PH Meter 4 In1 LCD Temperature Solar Moisture PH Garden Soil Tester LCD Display Gardening Tool for Plant Care

    Aliexpress UK

  11. Soil pH Tester, Acidity Test Meter, Strips Kit 200 Tests, for Garden Home Lawn

    🌲【Comprehensive Range & Fine Scale】For most plants, the optimal soil pH range lies between 5.5 and 7.5.

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  12. PH Sensor Industrial Water Quality Turbidity Tester ORP Electrode Probe EC Transmitter PH Meter Environmental Detection

    PH Sensor Industrial Water Quality Turbidity Tester ORP Electrode Probe EC Transmitter PH Meter Environmental Detection

    Aliexpress UK

  13. 100Pcs Chlorine Dip Test Strips Swimming Pool Water SPA Hot Tub PH Tester Paper

    Keep your swimming areas safe and clean using trusted cleaning supplies crafted for consistent use. Compare the test paper with the color chart bottle. Take it out and let it stand in the air for about 15 seconds.

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  14. Handheld Soil Tester Professional Soil PH Moisture Meter Waterproof PH Detector Humidity Analyzer for Garden Plant Flower Farm

    Handheld Soil Tester Professional Soil PH Moisture Meter Waterproof PH Detector Humidity Analyzer for Garden Plant Flower Farm

    Aliexpress UK

  15. 200x 3 in 1 Chlorine Dip PH Test Strips Hot Tub Swimming Pool Water Tester Paper

    Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Test range for total alkalinity: 0 ~ 240 ppm. Test at both ends of pool twice a week for best results. Effective chlorine, pH, and total hardness can be tested.

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  16. Handheld PH Meter Waterproof PH TDS EC Temp Tester Digital Water Quality Detector with Backlight for Pools Aquariums

    Handheld PH Meter Waterproof PH TDS EC Temp Tester Digital Water Quality Detector with Backlight for Pools Aquariums

    Aliexpress UK

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