Email this pagePrint this page Water Hardness Indicator Go back to: Chemical Reagents, pH Indicators and Biological Stains Product Code: C2964 Indicator Solution Hazard Rating4-Extreme 3-Severe 2-Moderate 1-Slight 0-Minimal Health2 Flammability2 Reactivity0 † Subject to a UPS hazardous material surcharge of $20.00 per shipment. 100 mls$8.84 each 500 mls$16.41 each 1 liter$26.51 each MSDS for Water Hardness Indicator