Ideal for residential or commercial use, water, pool, spas, liquid food, laboratory, aquaculture and hydroponics. Advanced technology makes the test result fast and accurate.Easy calibration (pH4.00, pH6.86). Pocket size, lightweight, high quality. With Automatic Temperature Compensation (ATC). Adjust to water temperature and give pH reading almost instantly. What You Get: pH meter, user manual, 2 x 1.5V button cells (built in), 3 x pH buffer powders, 1-year warranty and friendly customer service. pH Meter: A Digital pH Tester Pen for Water How to Use? Step 1: Remove the protective cap Step 2: Clean the electrode in distilled water and let it dry Step 3: Turn the meter on by pressing the ON/OFF key Step 4: Immerse the pH meter electrode in the solution you want to test Step 5: Stir gently and wait for the displayed pH to stabilize Step 6: After finishing, clean the electrode in distilled water and turn the meter off by pressing the ON/OFF key Don’t touch the electrode with fingers or
