18 Pack pH Buffer Powders for Precise Calibration of Your pH Meter No-Fuss Buffers Include 6.86, 4.00, and 9.18 for Easy, Accurate Tester Readings and Reliable Results

18-Pack pH Buffer Powders for Precise Meter Calibration
✔️ High-accuracy buffers: pH 4.00, 6.86, 9.18; convenient packets

These 18-pack pH buffer powders provide precise calibration for pH meters. Each set includes 6 packets of pH 4.00, 6 packets of pH 6.86, and 6 packets of pH 9.18, individually sealed to ensure freshness. Buffers maintain accuracy at 25°C/77°F with ±0.01 pH. Color: White.

✅ ±0.01 pH accuracy at 25°C/77°F
✅ Buffers stay stable for long-term storage
✅ 6 packets each, individually sealed for freshness
✅ Quick-dissolution in 250 ml deionized or distilled water
✅ Safe handling, no harmful substances
✅ Color: White

💡 What is a pH buffer powder set used for?

These buffers are handy for calibrating pH meters to ensure accurate readings in labs, classrooms, and field work.

- pH calibration for precise readings across the whole pH scale
- includes buffers at 4.00, 6.86, and 9.18 for full-range calibration
- pre-measured packets for easy, clean setup
- compatible with most pH testers and probes
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