ive got a ph meter that is giving me high reading and i dont know if it is faulty, i have got some ph buffer 7 and sat my meter in it and the meter is going to 9.0 and then doing nothing else, can anyone help or should i just get a new meter, thanks
ive got a ph meter that is giving me high reading and i dont know if it is faulty, i have got some ph buffer 7 and sat my meter in it and the meter is going to 9.0 and then doing nothing else, can anyone help or should i just get a new meter, thanks
Blue61 (13-03-21), Farmer Geddon (13-03-21), GEORGE (13-03-21), Mac (13-03-21)
when was it last recalibrated?
Are you storing it properly? (probe kept wet with KCL solution)
They should be done once a month generally.
Depending on the model will determine which method of calibration is required (screw driver for analogue adjustment or a digital adjustment on teh pen itself), The instructions that came with it should have the info you need.
NO SELL, NO SMELL, NO TELL!!!
Blue61 (13-03-21), Farmer Geddon (13-03-21), GEORGE (13-03-21), M_C (13-03-21), Petal (13-03-21)
I would calibrate first. Screw or buttons. Maybe get some new buffer. I have ruined a grow with a faulty ph pen, cheap as chips it was.
Last edited by LoveBudd; 13-03-21 at 11:43 AM.
Farmer Geddon (13-03-21), GEORGE (13-03-21), Mac (13-03-21)
Back when I used a pH meter, I calibrated it to my tap water. Which is a stable pH 7.0. I also stored it in a cup of tap water to stop the probe drying out.
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