pH Buffer Powder Calibration Kit 4.00 6.86 9.18 for 250ml Solution

Keep your pH tester performing reliably with this convenient pH buffer powderdesigned for routine meter calibration. Available at pH 4.00, 6.86, and 9.18 reference points, the pH calibration powderhelps verify and adjust compatible digital pH meters across acidic, neutral, and alkaline ranges. Each packet is formulated to prepare 250ml of calibration solution when mixed with distilled or deionized water. Individually packed powder makes storage simple until you're ready to calibrate.

Key Features

• Reference points available in pH 4.00, 6.86, and 9.18.
• Each packet prepares 250ml of calibration solution.
• pH meter calibration solutionhelps maintain consistent meter readings.
• Individually sealed powder packets are compact and convenient to store.
• Suitable for compatible digital pH meters, pens, and probes.

Why Choose Our pH Buffer Powder Calibration Kit

Instead of purchasing bulky premixed solutions, this pH calibration bufferlets you prepare fresh calibration liquid when required. Multiple reference points make it practical for meters used across different pH ranges.

How to Use

Empty one packet into a clean container, add 250ml of distilled or deionized water, and stir until completely dissolved. Calibrate your meter according to its instructions and avoid returning used solution to the container to minimize contamination.

Perfect For

• Aquariums and hydroponics
• Pools and spas
• Drinking and RO water testing
• Laboratories and classrooms
• Gardening and nutrient solutions
• Food and beverage testing