4-in-1 Digital pH Meter, 4-in-1 pH Tester, pH Meter with LCD Screen, High-Precision Resolution 0.01, Water Quality Tester for Drinking Water, Swimming Pools, Hydroponics

💧【High Precision】The pH meters range from 0.00 to 14.00 (pH). The pH resolution is 0.01 pH, the accuracy is ±0.01 pH, and the blue backlit LCD screen provides reliable and fast readings.
💧💧【pH Meter】A very complete kit for checking the quality of your water, whether it comes from a tap, hot tub, home brewing system, indoor soil, aquarium, hydroponic system, or swimming pool. Plus, the pH test pens are small, lightweight, and easy to carry on the go!
💧【Easy Calibration】The pH tester automatically calibrates at three points. You don't need any tools; simply remove the protective cap and immerse the pH meter electrode in the solution. Press "ON/OFF" to turn on the electronic pH meter, stir gently, and wait a few seconds until the reading stabilizes.
💧【EASY TO USE】 The pH tester features a self-calibration function so you can get a reading quickly.
💧【Wide Applications】 The pH tester can be easily stored in a drawer, bag, or suitcase for convenient portability. It is ideal for testing pH balance in drinking water, aquariums, swimming pools, spas, or hydroponic systems.