The high FC 2000-series comparator block costs ~$13. It can utilize your R-0001/R-0002 reagents and give you an FC color scale all the way up to 10ppm. It also uses the R-0004 reagent on the pH side. The midget comparator block is really not that useful.
The high FC 2000-series comparator block costs ~$13. It can utilize your R-0001/R-0002 reagents and give you an FC color scale all the way up to 10ppm. It also uses the R-0004 reagent on the pH side. The midget comparator block is really not that useful.
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