For professionals and enthusiasts requiring consistent accuracy in pH measurement, the Bluelab Solution Sachet 30 Box - pH 7.0 Calibration Solution is an indispensable tool. This product simplifies the calibration process of pH meters and probes, ensuring that your readings are always precise and reliable. In every box, you'll find 30 single-use sachets, each containing 18 ml of our specially formulated pH 7.0 calibration solution. The single-use design guarantees that each calibration is conducted with fresh solution, providing you with confidence in the accuracy of your instruments. Designed for compatibility with a range of Bluelab products, including pH pens, soil pH pens, and various probes, this calibration solution is a versatile choice for a wide array of pH measurement needs. Whether you are monitoring soil pH in agriculture, managing nutrient solutions in hydroponics, or conducting scientific research, this solution ensures your instruments are calibrated to deliver optimal performance. The compact, easy-tear box is crafted for convenience, fitting neatly on your workbench or counter. It acts as a visual reminder for the regular maintenance of your pH and EC probes, a critical practice for accurate pH measurement. Invest in the Bluelab Solution Sachet 30 Box - pH 7.0 Calibration Solution to maintain the accuracy and longevity of your pH measurement tools. It's not just a calibration solution; it's an assurance of precision in every measurement you make.