Test strips, water hardness, AQUADUR® | VWR
AQUADUR® test strips are used for simple and easy determination of water hardness. The strips give a clear colour change from green to red ensure an accurate readout. NANOCOLOR Potassium 50 (REF 985045) has been improved. The change is introduced from LOT 45004, which is available from stock as of 20th July 2020.
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