pH Meter Buffer Solution Powder 18 Pack High Purity Quick Dissolution pH 6.86 4.00 9.18

This product is an 18-pack of pH meter buffer solution powders designed for accurate calibration of pH testers, suitable for aquarium enthusiasts and professionals alike.

• High accuracy with ±0.01 pH precision at 25℃/77℉ for reliable results.
• Maintains stable pH values of 6.86, 4.00, and 9.18 even after long-term storage.
• Includes 6 packets each of pH 4.00, pH 6.86, and pH 9.18 solution powders, individually sealed for freshness.
• Quick dissolution process for efficient calibration.
• Easy to use with any pH tester; simply mix with deionized or distilled water.

• Color: As shown
• Material: pH calibration powder

• Package Contents: 1 set of pH buffer solution powders (18 packets total)