100961  Total Hardness Cell Test Product information Method: photometric 5 – 215 mg/l Ca 0.7 – 30.1 °d 0.9 – 37.6 °e 1.2 – 53.7 °f 7 – 301 mg/l CaO 12 – 537 mg/l CaCO3 Spectroquant® Packaging EPS box Qty/Pk      25 tests Storage     Store at +15°C to +25°C. Read More »