Visocolor® School Refill

A refill pack for the VISOCOLOR® School reagent case containing the reagents for all of its parameters. It covers ammonium (0.2–3 mg/l), nitrate (1–90 mg/l), nitrite (0.02–0.5 mg/l), phosphate (0.5–15 mg/l), pH (4.0–9.0) and water hardness (1 drop of reagent = 1°dH).