This is storage solution used for the ph pen by Hanna or to store pH probes (any) in solution to avoid losing calibration. It can also be used to store ORP probes.
Still has 75% of liquid. No longer have my ph pen and don't use it.
FREE
Located in Huntington Park, CA.
Sent from my SM-G965U using Tapatalk
Still has 75% of liquid. No longer have my ph pen and don't use it.
FREE
Located in Huntington Park, CA.
Sent from my SM-G965U using Tapatalk
