Essentials Lab Calibration Solution 250ml

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Essentials Lab Calibration Solution 250ml is a high-quality buffer solution for accurately calibrating pH meters. Ideal for use in hydroponic, indoor, and soil-based gardening, thi s solution ensures your pH meters maintain precision and reliability. Each bottle is clearly labeled with the pH value, making it easy to identify and use during routine equipment maintenance. Compatible with most digital pH meters. Show more