five.five-six
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  • Mark,

    Your pH video is great but completely inaccurate in explaining the reference junction. A pH electrode has two electrodes a reference electrode and a pH electrode combined. Believe it or not Wikipedia has a pretty good description under “glass electrode”. I also build pH meters and services my lab’s electrodes. Sorry to be such a know-it-all because I am not. I have just been a Professor for 40 years and can’t help myself. Ron
    Hey, interested in about 40 lbs. of live sand and some rock... Please contact me at 949-two nine four-5182... I work in Anaheim but live in Lake Forest so I can pick up today or any other day between 8-6... Thanks. :)
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