Brew12
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I suspect not any time in the near future. Right now all the methods used to measure these require some sort of external reagent. It's possible someone may come up with a way to in the future, but to the best of my knowledge there isn't a known process or reaction that can be measured directly for most of these elements.Will this Ca/Mg/etc. probe technology eventually move towards an in sump probe that connects directly to the controller? Like how pH, salinity, ORP work today.
