EPA and FDA registered and available in all 50 states (EPA 85298-2). Proven formula and protocol that cleans, controls, and removes microbial contamination in dental unit waterlines. Effective: 0.12% chlorhexidine-gluconate mint blue solution is formulated without harsh chemicals: will not corrode, clog, or leave residue in waterlines, bottles, or equipment. Easy and ready to use: no mixing, no diluting.