AquaMaster Tools pH 4.01 Calibration Solution

AquaMaster Tools pH 4.01 Calibration Solution is a high-precision buffer solution designed to accurately calibrate pH meters and probes at the critical acidic reference point of pH 4.01. Manufactured by AquaMaster Tools, this reliable calibration fluid ensures consistent, stable readings—essential for hydroponics, aquaponics, laboratories, and water quality testing where precision matters most.

Formulated for professional and home use, this pH buffer solution helps eliminate measurement drift and improves the overall accuracy of your pH meter. Regular calibration with pH 4.01 solution is especially important when testing nutrient solutions, ensuring optimal plant uptake and system performance.

Key Features:

• Accurate pH 4.01 buffer solution for precise calibration
• Ensures reliable and stable pH readings
• Reduces calibration drift and measurement errors
• Ideal for hydroponics, aquariums, and laboratory testing
• Compatible with all standard pH meters and probes