Important Notice
This item is made-to-order exclusively for you once your order is placed. As a result, it is not eligible for cancellation or return under our standard policy. Your statutory rights remain unaffected.
These Hanna buffer solutions are available in quick and easy-to-use 20ml sachets. The pH 4.01 and 7.01 buffer solutions are suitable for an accurate acid or neutral reading. The pH 7.01 and 10.01 buffer solutions are suitable for a neutral or alkaline reading. Two versions, each with ten sachets, five of each solution. The solutions have a shelf life of 24 months.