Hanna Instruments New Line of Specialized pH Testers

[@malati326]

Hi there, I am looking for a pH meter to use during cosmetic formulating. Which one is suitable for it?

[@btsarmy-vu6us]

I have some problem in my Hanna pH meter

[@btsarmy-vu6us]

Hi

[@btsarmy-vu6us]

Hii

[@btsarmy-vu6us]

What is ERT in pH meter