inStock

Environmental Express Oakton pH buffers are Certified Reference Materials, making them one of the most accurate solutions available.

Always read the correct pH

Set includes calibrated and pre-weighed amounts of buffer powders at three pH values (pH 4.0, 7.0, and 10.0) for testing or calibrating your pH meter.

No Unwieldy Bottles to Carry or Clean

This buffer value is widely used in water purification plants, in the food industry, and wherever the pH is expected to be slightly acidic.