10pcs ORP calibration powder buffer powder ORP powder tester measuring calibration solution 256mV ORP meter powder

Feature:

This is a buffer powder , A calibration solution for ORP meter, ORP tester measuring calibration solution 256mV. solves the problem of inconvenience and expensive transportation of ORP correction liquid, and makes ORP correction more convenient and easy.

Instruction:

1.Add the contect of the sachet into a container with 50ml(1.69oz) of distilled water at the temperature of 25c(77f)

2.Mark the container with the ORP level powder used for future reference and keep it away from children.