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

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  3. 7 in 1 LCD Backlight Water Quality Tester Meter for PH/ORP/EC/TEMP/SALT/S.G/TDS

    ORP negative potential ±1999MV. Salinity 0-20%. The specific gravity of S.G seawater is 1.000-1.222. 2, TDS value 0-200000ppm. H2 hydrogen rich 0-2400PPb. EC value 0-200000㎲/cm. 1x 7 In 1 Tester Pen. PH value 0-14.

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  4. Digital PH Meter Pen Water Quality Tester 0.01 Accuracy for Aquarium & Drinki

    Wide Range of Applications: Ideal for testing water in aquariums, hydroponics, pools, drinking water, and more.

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  5. TDS Digital Water Quality Tester TDS Meter Water Test Pen For Water Detection

    ♥ Before drinking a test, drinking water at ease, TDS on behalf of the total soluble solids content in the water, the lower the TDS value / the purer the water quality. ♥ PORTABLE DESIGN-- Handheld TDS tester pen style and makes it conveniently fits in your pocket or bag and goes anywhere.

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

    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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  8. 4 in1 Soil PH Tester LCD Digital pH Temperature Sunlight Fertility Tester UK

    The probe length is 20cm, with a total length of 33cm.

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