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  1. 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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  2. TDS Meter Electronic Water Tester 0-9990 PPM Hand Held Digital Water Test Pen

    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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  3. Digital Drinking Water Quality Tester TDS EC PPM Meter Electric Reader for Pool

    Press shift to switch between different modes. 3.5 minutes automatic shutdown. Save power and extend battery life. Size: 15.5cm 3cm 1.5cm. Accuracy: ± 2%. Temperature range: 0.1-80.0℃(32.0-176.0℉).

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  4. Digital Tester TDS /EC/SALT Meter Water Purity Hydroponics Water Quality Test

    Help the salt chlorinator work more efficiently in the appropriate salinity value. Check the salt concentration of saltwater pool & hot tub that use salt chlorine generator. Test pool salt level- Salt range:0-9990ppm/10-100ppt.

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

    ATC Function:Automatic Temperature Compensation accounts for changes in temperature automatically. Lightweight and easy to carry. Type: PH Tester. Accuracy: ±0.2PH; ±0.1PH (20°C). the readings are automatically displayed.

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

    Test acidity and alkalinity within the pH range of 0-14. If the tested pH value is between 0-7, it is acidic; if the tested pH value shows 7, it is neutral; if the tested pH value is between 7-14, it is alkaline.

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  7. Digital 4 in 1 Water Quality Tester High Precision PH Meter PH TDS EC TEMP Test

    The digital tester has ATC function, and the test data is not affected by water temperature. The pen tester is small in size, light in weight, and easy to carry. Good quality, suitable for various water scenarios.

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  8. Swimming Pool Chlorine PH/CL2 Water Quality Tester Digital Monitor Spa Hot Tub

    CL2 can also get eaten up if lot of nitrogen (from debris, pee, sunscreen, sweat). An electro-tester for testing pH and free chlorine (Cl2) levels in water for routine monitoring of pH and chlorine levels of swimming pools, spas and different water sources.

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