Unlike caustic soda and soda ash, which forms poisonous bi-fluoride, HF Acid Eater completely destroys the hydrofluoric acid polymer. This neutralizer has a 1:1 neutralization ratio as apposed to the 12:1 ratio of caustic soda. pH indicator additive eliminates the need for additional pH strips taking out the guess work. HF Acid Eater is nonhazardous and noncorrosive, and is excellent for a variety of uses and applications. Apply on horizontal, vertical, and perforated surfaces. Also neutralizes vapors and reduces odors.