PH-BUF

pH Buffer Solution Variety Pack

HM Digital's pH buffer solution comes in powder form, so it's lightweight, takes up very little space, is inexpensive and has an indefinite shelf life. The pack includes a 100 ml bottle and 12 packets of pH buffer solution powder (3 x 4.0; 6 x 7.0; 3 x 10.01). Total volume is 1.2 liters.