The test kits employing the well-established Nessler reagent* to determine ammonia concentrations are applicable to drinking water, clean surface water, good quality nitrified wastewater effluent, and seawater. Direct Nesslerization, using 30 ampoules. Shelf life of 5 months; this shelf-life is based on storage at room temperature and in the dark. The shelf-life can be extended by 18 months if this refill is stored in the refrigerator. *Contains mercury. Dispose of according to local, state or federal laws.
WARNING! This product can expose you to chemicals including mercury, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.