It seems the board is fine. It should be around 550.
Not so sure why you are getting wrong results with the probe.
PH unstable
Re: PH unstable
Ive switched between 3 probes I have, all new. Is there a chance some stray voltage has zapped all 3? One is a BRS lab graderimai wrote:It seems the board is fine. It should be around 550.
Not so sure why you are getting wrong results with the probe.