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Uploaded by DrillWellLLC on Mar 7, 2011
Testing water sample for nitrates with Hach DR/890 Colorimeter using Test 'N Tube Reagent SetChromotropic Acid MethodDrill-Well, LLCFalls City, NE & Platte City, MO
Science & Technology
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mikemartinezis 4 months ago
I'm interested in getting the Hach DR/890 for the aquarium hobby. Do you recommend getting it directly from the manufactuer ?
Gimmito450 7 months ago
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mikemartinezis 4 months ago
I'm interested in getting the Hach DR/890 for the aquarium hobby. Do you recommend getting it directly from the manufactuer ?
Gimmito450 7 months ago