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  1. 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. TDS water quality testing pen 1.

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  2. Digital Water Quality Test Pen PH Meter LCD Tester Hydroponics Hardness Test Pen

    Water Pocket Hardness Purity Test Pen. Press the "CAL" button for about 5 seconds and release it. Test range: 0-14.0PH. Accuracy: 0.01PH. Error: ± 0.05PH. Place the electrode in a pH 6.86 standard solution and gently shake until the value stabilizes.

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  3. 3IN1 TDS Digital Water Quality Tester Hydroponic Water Quality Testing Pen Kits

    There are 4 modes are: TDS temperature, EC temperature, TDS Fahrenheit, EC Fahrenheit, the lower right corner is the temperature display. Press shift to switch between different modes. TDS test range: 0~9999PPM.

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  4. TDS Meter Digital Water Quality Tester Pen 0-9990 PPM for Safe Drinking Water

    ♥ 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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  5. Digital Tester TDS EC TEMP Meter Water Purity Hydroponics Water Quality Test Pen

    Water quality tester 1. Test range: 0-9990ppm/0-9999μs/cm. Temperature range: 0-60℃/32-140℉. Battery capacity: 50mAh. Battery: 3V CR2032 1.

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  6. 3 in1 Soil PH Tester Water Moisture Light Test Meter Kit,For Garden Plant Flower

    PH VALUE - just move the switch to the right and after 1 minute you know the PH value of your soil. SUNLIGHT - set the switch to the LIGHT position and you can read the intensity. PH Range: 3.5-8PH ( 3.5-7 Acid, 7-8 Alkaline).

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  7. Digital 8 In1 Digital PH Meter TDS Salt Tester Pen Pool Water Quality Monitor

    8 In 1 Digital Tester Pen Pool Water Quality Monitor. For Ford Ranger PX Mazda BT-50 2011-22 HVAC Heater AC Blend Door Actuator Motor. 4PCS Fuel Injector for Renault Trafic Master II Vauxhall Vivaro Opel 0445110338.

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  8. TDS Meter LCD Digital Tester Water Quality Testing Kits Drinking Water 0-9990ppm

    Red backlight = non-drinkable warning (>50 ppm), green backlight = directly drinkable (<50 ppm). 【Multipurpose Tds Tester】 Test the purity of drinking water to ensure it's safe and healthy, monitor if Reverse Osmosis (RO)/Deionization(DI) System works properly, whether filter need replaced, maintenance aquarium, hydroponics(test nutrients), well, pool, hot tub, spa and testing tap water, bottle water etc.

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