Hi, does anyone have a suggestion for a digital PH meter? Many have recommended the Apera PH60, however I was trying to spend less on a meter. Any suggestions would be appreciated.
Hi, does anyone have a suggestion for a digital PH meter? Many have recommended the Apera PH60, however I was trying to spend less on a meter. Any suggestions would be appreciated.
I picked up the PH60 a couple years ago and regret it. I foolishly trusted it for a while even though I was surprised pH wasn't going up as it typically did. Turns out the PH60 was giving false results. Even after calibration I no longer trust it. There may be something better out there but I won't bother trying anymore. It doesn't save that much time and if I can't be confident in the results what good is it?
I've had good results using cheap chinese pH meters. In UK they state "ATC" (auto temp compensated) and come with calibration solutions. I keep that in a sealed jar for a few months. Used fairly regularly you'll get to know what result to expect so if it's way out then first check against calibration solution, adjust if necessary and try again..... otherwise it's bin time! I usually have two on the go at the same time and compare results for this reason. Apparently it's best to keep a few drops of water in the cap when not in use. At the price of these (cheap as chips or probably less these days!!) it's certainly worth a go and if you need further assurance then try comparing the result against another method just to give you some confidence. See attached...hope that helps you.
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