Automatic calibration suitable for aquariums Pocket pH meter with 0.01 accuracy LCD display 0-14PH ★ High-quality, durable pH meter: Measuring range 0-14 pH, resolution 0.01 pH, operating temperature: 0°C to 60°C, high accuracy; LCD display simultaneously measures and displays pH results, providing reliable and accurate readings. ★ Easy to use: Simply remove the protective cover, immerse the pH meter electrode in the solution, and then use the "ON/OFF" switch to turn on the pH meter for measurement. No colorimetric cards or test strips are required; the large LCD display provides clear readings. </span></li> <li class="a-spacing-mini"><span class="a-list-item">★Multiple Applications: The pH meter has a wide range of uses: testing water quality in drinking water, aquariums, swimming pools, spas and wine, tap water, well water, seawater, amniotic fluid, breakthrough, aquaculture, food processing, saliva, enzymes, chemical experiments, ionized water, human urine pH, etc. It can help you identify water quality in daily life. </span></li> <li class="a-spacing-mini"><span class="a-list-item">★Practical Design – Large LCD display for clear readings. Pocket-sized, easy to carry. </span></li> <li class="a-spacing-mini"><span class="a-list-item">★ Quality Assurance: Equipped with 1 pH meter, 1 user manual (English version), 2 pH buffer powders; 1 year warranty</span></li> <li class="a-spacing-mini"></li> </ul> </div>