The refill pack for the VISOCOLOR School reagent case contains all reagents of all parameters.
Measuring ranges:
Ammonium: 0.2 - 3 mg/l NH4+
Nitrates: 1 - 90 mg/l NO3-
Nitrites: 0.02 – 0.5 mg/l NO2-
Phosphates: 0.5 - 15 mg/l PO43-
pH: 4.0 - 9.0
Water hardness: 1 drop of reagent = 1°dH (German degree – degree of general hardness)
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