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  1. 15 Pack of pH Meter Buffer Solution Powder for Precise and Easy PH Calibration,

    Wide range of applications: testing the pH balance of drinking water, aquariums, swimming pools, spas or hydroponics. Step 2: Add 250 ml of deionized water (or distilled water) to the container. gently, and wait a few seconds.

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  2. Accurate pH Calibration Buffer Solution Kit 4.00 7.00 10.01 – 3x 250ml Bottles

    Includes three 250ml bottles: pH 4.00, pH 7.00, and pH 10.01 solutions. The color-coded bottles not only enhance usability but also make it easy for you to identify each solution without hassle. Color coded for easy identification: pink for pH 4, green for pH 7, and blue for pH 10.

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  3. 2x Digital Tester TDS PPM Meter Water Purity Hydroponics Water Quality Test Pen

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

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  4. Essentials Meter Store 30ml Storage Solution For pH Probe Hydroponics

    Essentials meter store solution prolongs the accuracy and life of your essentials pH and EC meters. To use simply put a small amount of meter store solution in the probe cap whenever the meter is not in use.

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  5. Growth Technology pH Buffer 7 - PH Calibration Fluid 300ml PH Pen Calibrate

    PH Buffer 7 Growth Technology

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

    It's not only ideal for household or laboratory use, also suitable for testing pH balance of drinking water, pool, aquarium, food Project, RO system, Spa, or hydroponics. Q: Can I use this to test Urine ?.

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  8. Digital Tester TDS PPM Meter Water Purity Hydroponics Water Quality Test Pen

    Perfect for travelers, outdoor enthusiasts, and laboratory use. Our Top Products.

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