
HM Digital PH-P4 (20ml)
Product Summary:
HM Digital PH-P4 is a high-precision pH 4.0 buffer solution ideal for calibrating pH meters used in laboratories, aquariums, hydroponics, and water testing.
Key Features:
pH 4.0 ±0.02 solution accuracy
Ready-to-use 20ml single-use sachet
NIST traceable for quality assurance
Convenient for portable and benchtop pH meters
Long shelf life when unopened
Applications:
Laboratory calibration
Hydroponic systems
Drinking water testing
Aquariums and fish farming
Industrial pH measurement
Product Benefits:
Ensures accurate pH meter readings
Saves time with single-use, no prep needed
Compact and easy to carry
Compatible with all standard pH meters
Maintains pH calibration standards
FAQs:
Q: Can I reuse the PH-P4 20ml sachet?
A: No, it is designed for single use to ensure accuracy and hygiene.
Q: How often should I calibrate my pH meter using PH-P4?
A: Regular calibration is recommended before every use or at least weekly for frequent testing.
Q: Is PH-P4 compatible with all brands of pH meters?
A: Yes, it is universally compatible with most digital and analog pH meters.



