Email this pagePrint this page Water Hardness Buffer Go back to: Chemical Reagents, pH Indicators and Biological Stains Product Code: C2960 APHA for Water Hardness Hazard Rating4-Extreme 3-Severe 2-Moderate 1-Slight 0-Minimal Health3 Flammability0 Reactivity0 † Subject to a UPS hazardous material surcharge of $20.00 per shipment. 500 mls$12.62 each 12 x 500 mls$8.41 each 1 liter$20.20 each 6 x 1 liter$13.47 each 4 liters$53.02 each 4 x 4 liters$35.35 each 20 liters$151.48 each MSDS for Water Hardness Buffer