The acid neutralizer is used to solidify a wide range of base spills. Provides safe spill control for most acids, including battery spills. Polymers neutralize and change color to let you know neutralization has taken place. 2 Lb. shakers are non-toxic, non-corrosive and non-hazardous. Acid neutralizer turns purple to indicate neutralization is complete. Minimum Order Quantitiy = 10.