Commercial strip test for reduction of nitrate by bacteria.
D001419:Bacteria / Q000378:metabolism*; D001431:Bacteriological Techniques; D007202:Indicators and Reagents; D009566:Nitrates / Q000378:metabolism*; D011934:Reagent Strips
D007202:Indicators and Reagents; D009566:Nitrates; D011934:Reagent Strips