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  1. pH Test Kit Terra Aquatica 4.0 a 8.5 pH +1000 tests (60ml)

  2. 7 in 1 Aquarium Test Strips Multipurpose Water Quality Test Strip Fish Tank Test Kit Water pH Test

    7 in 1 Aquarium Test Strips Multipurpose Water Quality Test Strip Fish Tank Test Kit Water pH Test

    Aliexpress UK

  3. pH TEST KIT Wide Spectrum Indicator 200+ Tests Check pH Water Levels Hydroponics

    ESSENTIALS LAB pH test indicator kit uses a solution known as universal indicator to change a small sample of your nutrient solution to a different colour. Compare this colour to the spectrum chart to indicate what pH your solution is reading at.

    eBay

  4. 7 in 1 Aquarium Test Strips Multipurpose Water Quality Test Strip Fish Tank Test Kit Water pH Test

    7 in 1 Aquarium Test Strips Multipurpose Water Quality Test Strip Fish Tank Test Kit Water pH Test

    Aliexpress UK

  5. 7 in 1 PH Test Fish Tank Water Tropical Aquarium Pond Water Test Strips Kit NEW

    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. 100Pcs 7 In 1 Water Quality Test Strips Fish Tank Test Kit Nitrate/PH Total Hardness Test Strip

    100Pcs 7 In 1 Water Quality Test Strips Fish Tank Test Kit Nitrate/PH Total Hardness Test Strip

    Aliexpress UK

  7. 7 in 1 PH Test Fish Tank Water Tropical Aquarium Pond Water Test Strips Kit NEW

    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

  8. 100 Pcs 9-IN-1/7-IN-1 Aquarium Test Fish Tank Test Kit with Test Tube Water Quality Monitor pH Test

    100 Pcs 9-IN-1/7-IN-1 Aquarium Test Fish Tank Test Kit with Test Tube Water Quality Monitor pH Test

    Aliexpress UK

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

    First rinse the electrode with distilled water and suck it with filter paper. Total concealed fit in your bag or pocket for easy, casual carrying. Users can use it directly. If the data is about 6.86 or the deviation is relatively small, no correction is required; if the value deviates from 6.86 relatively large, press and hold the CAL button for three seconds, let go after the screen flashes, and the automatic correction is in progress.

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  10. 100 Pcs 9-IN-1 Aquarium Test Fish Tank Test Kit with Test Tube Water Quality Monitor pH Test Strips

    100 Pcs 9-IN-1 Aquarium Test Fish Tank Test Kit with Test Tube Water Quality Monitor pH Test Strips

    Aliexpress UK

  11. 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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  12. PH NH4 NO2 NO3 GH CI H2S DO Checker Test Agent Aquaculture Fish Tank Aquarium Water Test Kits Tools

    PH NH4 NO2 NO3 GH CI H2S DO Checker Test Agent Aquaculture Fish Tank Aquarium Water Test Kits Tools

    Aliexpress UK

  13. 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.

    eBay

  14. 5-17 in 1 Aquarium Test Strips Water Quality Test Strip Fish Tank Nitrate pH Hardness Test Strips

    5-17 in 1 Aquarium Test Strips Water Quality Test Strip Fish Tank Nitrate pH Hardness Test Strips

    Aliexpress UK

  15. 7 in 1 PH Test Fish Tank Water Tropical Aquarium Pond Water Test Strips Kit NEW

    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. Salifert Test kit Ca calcium Cu I2 KH Mg NH4 Ammonia NO2 Nitrite NO3 Nitrate PH PO4 Sr Potassium

    Salifert Test kit Ca calcium Cu I2 KH Mg NH4 Ammonia NO2 Nitrite NO3 Nitrate PH PO4 Sr Potassium

    Aliexpress UK

  17. 7 in 1 PH Test Fish Tank Water Tropical Aquarium Pond Water Test Strips Kit NEW

    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

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