Hy-Gen Ph-7 Buffer Solution

Hy-Gen Calibration solution comes in 2 types, 4.0 and 7.0

Hygen pH Buffer is the upper calibration point in the "two-point" calibration of electronic meters.

Regularly calibrate your pH meter with both pH Buffer 4 and pH Buffer 7 calibration solutions to ensure that your meter is operating with precision and accuracy between pH 4 and 7.