📏 Precision Calibration for Hydroponic Systems and Aquariums Review

【Portable For Wide Use】: This pen-type instrument has a compact size, weighs only 1.76oz(50g) that is perfect for outdoor or household use. Ideal for household or laboratory use; Suitable for testing pH balance of drinking water, pool, aquarium, RO system, Spa, or hydroponics; Appropriate for wide range of applications. Great for kids school science experiments. Test different bottled waters or even your homemade sauerkraut. 【FAST AND ACCURATE】:Ensure your pool, general hydroponics PH or even drinking water has a perfect PH balance and safe for use with the Tester precision PH accuracy. The tester has a sensitive electrode sensor to read accurate pH levels. The included detailed manual will show you how to get the best accurate and stable reading. 【Auto Calibration】:The PH meter has an auto temperature compensation feature that adjusts to water temperatures and water quality to give PH readings almost instantly. As well, you can calibrate the tester with one touch button using only 4 and 6.86 buffer powder. 【AUTOMATIC TEMPERATURE COMPENSATION】:No more need to take care about the temperature of testing liquid, as PH meter has built in (ATC) automatic temperature compensation, so that it can accurately determine PH value of the sample at any temperature in a range of 0°C - 80°C (32°F - 176°F). 【SERVICE GUARANTEE AND PACKAGE CONTENTS】:1x PH Meter, 1x User Manual, 2x 1.5v LR44 Button Cells(Build-in), 6x PH Buffer Powders(2*4.0;2*6.86;2*9.18). This product supports 180 days Warranty, lifetime technical support. Attention: Must replace the batteries regularly. If the tester is not working properly, please don’t return at once, please contact us by Amazon internal e-mail, we will provide better solution than return. If you have any issue, please contact us.