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

    The comfortable water tester can quickly and easily show you the current pH value and chlorine content of your pool. You save yourself complicated water test systems with color combinations, it is easy to use, no more chemicals.

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  2. Digital PH Meter Large Screen High Accuracy PH Test Pen For Aquariums

    WIDELY USE: Can be used in aquariums, aquaculture, fish hatcheries, food processing, laboratories, paper industry, swimming pools, schools and colleges. PH: 0.00-14.00pH. Model: PH 98106. Use: Aquarium, aquaculture, fish hatchery, food processing, laboratory, paper industry, swimming pool, school and college.

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  3. Test pen water digital meter TDS PPM quality tester hydroponics

    RANGE : 0-9990 ppm. Used to test the purity of the water quality of the filter. ACCURACY : +/- 2%.

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  4. PH/TDS/EC/Salinity/Temp/H2/S.G/ORP Digital Water Quality Tester Tool Data Hold

    Help the salt chlorinator work more efficiently in the appropriate salinity value. Steam Eye Mask Electric Eye Relief Eye Therapy Mask for Dry Eyes Sleep Mask. H2 Hydrogen. Check the salt concentration of saltwater pool & hot tub that use salt chlorine generator.

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  5. Digital Electric PH Meter LCD Water Quality Testing Hydroponics Water Test Pen

    1 Water quality testing pen. High sensitivity probe, high sensitivity bulb containing protective fluid, effectively extend the life of the electrode. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item.

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  6. KETOTEK pH Meter Digital Water Quality pH Tester Pen with Calibration Solution

    This digital pH meter features portable design, simple operation and high precision, can detect the pH value of liquids anytime, anywhere, widely used for aquarium, brewing, pool, cosmetic, aquaculture, drinking water, food, industrial wastewater, laboratory and other areas. Specification: Measure range: 0.00- 14.00PHAccuracy: 0.01 PHResolution: 0.01pHPackage: 1*pH meter, 2*calibration solution (pH4.01, pH6.86), 2*1.5V LR44 batteries(including, installed),1*User Manual (English). Two-point Automatic Calibration 1. Prepare calibration solution Dissolve each buffer solution in 250 ml of distilled water 2. pH 6.86 calibration Immerse the electrode into the pH 6.86 solution.(under 25 C). Press the "CAL" button for 3 seconds and releaseDisplay will start flashing 6.86Wait until the display stops flashing. 3.

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  7. Digital Tester TDS Meter Water Purity Hydroponics High Quality Water Test Pen

    🎶 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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  8. 3 in1 Soil PH Tester Water Moisture Light Test Meter Kit For Garden Plant Flower

    PH Function: Monitors soil acidity or alkalinity for balanced nutrients. Whether you’re tending house plants, caring for garden beds, or maintaining your lawn, this versatile tool provides the information you need to adjust watering and light exposure effectively.

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