Hi, is it possible to use different brand calibration fluids for the P4 PH probes or only GHL?
Reason I ask is because I have easy access to Hanna calibration fluids but not GHL.
Kind regards
Vasco
Sent from my iPhone using Tapatalk
Hi, is it possible to use different brand calibration fluids for the P4 PH probes or only GHL?
Reason I ask is because I have easy access to Hanna calibration fluids but not GHL.
Kind regards
Vasco
Sent from my iPhone using Tapatalk
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