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  1. Floating Pool Salt Tester Digital Salinity Meter for Saltwater Pool Thermometer

    It is very suitable for use with salt chlorine generators. Are you tired of looking for various battery models after a while?.

    eBay

  2. 3 in 1 Soil PH Meter Sunlight Moisture PH Tester Flower Meter Garden Soil Humidity Sensor Plants Acidity Hygrometer

    3 in 1 Soil PH Meter Sunlight Moisture PH Tester Flower Meter Garden Soil Humidity Sensor Plants Acidity Hygrometer

    Aliexpress UK

  3. 16 in 1 50pcs Water Test Kit Spa Pool Drinking Water Test Strips PH Tester UK

    eBay

  4. 2 in 1 Chlorine Meter PH Chlorine Tester PC-101 Level Portable Digital PH Meter Water Quality Pool Spa Analytical Instruments

    2 in 1 Chlorine Meter PH Chlorine Tester PC-101 Level Portable Digital PH Meter Water Quality Pool Spa Analytical Instruments

    Aliexpress UK

  5. 50/100X 7 in 1 AQUARIUM PH TEST KIT TEST STRIPS TROPICAL FISH TANK WATER TESTER

    Take 5-10ml of the sample, and take the supernatant for testing after standing. Nitrate nitrate test range 0~240. Nitrate Nitrite. Too high or too low PH is not good for fish growth. If the pH value is less than 4.4, the fish mortality rate can reach 7% to 20%.

    eBay

  6. LCD Digital 3 in 1 Soil Tester Handheld Soil PH Meter High Accuracy PH Moisture Temperature Detector Flower Plant Soil Test

    LCD Digital 3 in 1 Soil Tester Handheld Soil PH Meter High Accuracy PH Moisture Temperature Detector Flower Plant Soil Test

    Aliexpress UK

  7. 3in1 50PCS Water Test Strip For Swimming Pool SPA Hot Tub pH Tester Paper UF

    Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Total Alkalinity Test Range: 0~240ppm. Test at both ends of pool twice a week for best results. pH Test Range: 6.8~8.4. Easy to distinguish: Color difference is obvious, easier to compare the strip color to the color chart.

    eBay

  8. 6 in 1 Digital Soil Tester Multifunctional Soil PH Detector Moisture Fertility pH Temperature Humidity Light Meter for Garden

    6 in 1 Digital Soil Tester Multifunctional Soil PH Detector Moisture Fertility pH Temperature Humidity Light Meter for Garden

    Aliexpress UK

  9. Precise pH Measurement with Indicator Test Strips 114 Paper Litmus Tester

    8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. press the testing strip to the object or liquid you are testing. Half second later, take out the paper and using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject.

    eBay

  10. 1pc Digital PH Meter High Precision LCD Aquarium Water Acid PH Tester Pool Analy Blue

    1pc Digital PH Meter High Precision LCD Aquarium Water Acid PH Tester Pool Analy Blue

    Aliexpress UK

  11. 50pcs Pool Test Papers PH Test Strips Lightweight Water Tester Tub

    Quantity: 50pcs. 50 pieces: There are 50 pieces of acid and alkali test paper for swimming pool water quality in one bottle, which is easy to replace and use. Single-use: The acid and alkali test paper for swimming pool water quality is one-off, safe and simple.

    eBay

  12. Portable 5 in 1 Temperature H2 ORP PH Cl2 Meter Swimming Pool Water Quality Analysis pH Meter Chlorine Tester

    Portable 5 in 1 Temperature H2 ORP PH Cl2 Meter Swimming Pool Water Quality Analysis pH Meter Chlorine Tester

    Aliexpress UK

  13. 100/50/pcs Chlorine Dip Test Strips Hot Tub SPA Swimming Pool PH Tester Paper

    Total alkalinity test range: 0~240ppm. Total alkalinity: 0-40-80-120-180-240. Total bromine: 0 0.5/1 1/2.0 3/6.6 5/11 10/22. Simply press the testing strip to the object or liquid you are testing. Half second later, take out the paper and using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject.

    eBay

  14. Professional Soil PH Meter 4 In 1 LCD Display Temperature Solar Moisture PH Garden Sunlight Tester for Gardening with Backlight

    Professional Soil PH Meter 4 In 1 LCD Display Temperature Solar Moisture PH Garden Sunlight Tester for Gardening with Backlight

    Aliexpress UK

  15. 50/100PCS 7 in1 AQUARIUM PH TEST KIT TEST STRIPS TROPICAL FISH TANK WATER TESTER

    Take 5-10ml of the sample, and take the supernatant for testing after standing. Nitrate nitrate test range 0~240. Nitrate Nitrite. Too high or too low PH is not good for fish growth. If the pH value is less than 4.4, the fish mortality rate can reach 7% to 20%.

    eBay

  16. Yieryi Smart Bluetooth PH Meter Aquarium SPA Pool PH Water Quality Monitor Tester for Soil Cosmetic Food Cheese Meat Fruit Dough

    Yieryi Smart Bluetooth PH Meter Aquarium SPA Pool PH Water Quality Monitor Tester for Soil Cosmetic Food Cheese Meat Fruit Dough

    Aliexpress UK

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