Accurate ph meter for aquarium and pond water.. Measuring ph from 0-14 with a precision up to 0.02 Units.. The pen has an automatic calibration for both 1 point and 2 point calibration. Manual and calibration powders are included.
Accurate ph meter for aquarium and pond water.. Measuring ph from 0-14 with a precision up to 0.02 Units.. The pen has an automatic calibration