The pH Buffer comes in powder form in 12 pillow packs. Because the pH buffer is in powder form, there is an indefinite shelf life, which takes up less space. The user also only needs to mix what they need at the time, when mixed with distilled water or deionized water.

Specifications:

• Total Volume: 1.2 liters. Each powder packet will produce 100mL of solution when mixed with distilled or deionized water.
• Accuracy: +/- 0.02 pH at 25º C