VIVOSUN Digital pH Meter with 18-Pack Calibration Buffer Powder (pH 6.86/4.00/9.18)

About this item

• Application: Ideal for residential or commercial use, water, pool, spas, liquid food, laboratory, aquaculture and hydroponics
• High Accuracy: These high-purity buffer powders ensure precise pH calibration with ±0.01 pH accuracy at 25°C/77°F; They keep your pH testers sharp and reliable for consistent results
• High Stability: These premium buffer powders maintain accurate pH values of 6.86, 4.00, and 9.18, even after long-term storage, saving you from repeated purchases for pH calibration
• Features: Pocket size, lightweight, backlit function, high quality
• Easy Calibration: The advanced technology ensures fast and accurate test results; The clear LCD screen makes reading easy.