HACH makes a few different varieties.  The cl10 is their amperometric probes (which don't use reagents) . The cl17 is their dpd flow through monitor and it uses quite a bit of reagent.

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HACH makes a few different varieties.  The cl10 is their amperometric probes (which don't use reagents) . The cl17 is their dpd flow through monitor and it uses quite a bit of reagent.